Home / 309,946.40-464,919.60-152,482.40

Finding the Fourth Proportional to 309,946.40, 464,919.60 and 152,482.40

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Solution

The fourth proportional to 309,946.40, 464,919.60 and 152,482.40 is: 228,723.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,946.40 : 464,919.60 = 152,482.40 : x
  2. Step 2: Convert to fraction form
    309,946.40/464,919.60 = 152,482.40/x
  3. Step 3: Cross multiply
    309,946.40x = 464,919.60 × 152,482.40
  4. Step 4: Simplify right side
    309,946.40x = 70,892,056,415.04
  5. Step 5: Solve for x
    x = 70,892,056,415.04/309,946.40
  6. Step 6: Final answer
    x = 228,723.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.