Home / 479,946.40-719,919.60-164,362.30

Finding the Fourth Proportional to 479,946.40, 719,919.60 and 164,362.30

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Solution

The fourth proportional to 479,946.40, 719,919.60 and 164,362.30 is: 246,543.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,946.40 : 719,919.60 = 164,362.30 : x
  2. Step 2: Convert to fraction form
    479,946.40/719,919.60 = 164,362.30/x
  3. Step 3: Cross multiply
    479,946.40x = 719,919.60 × 164,362.30
  4. Step 4: Simplify right side
    479,946.40x = 118,327,641,271.08
  5. Step 5: Solve for x
    x = 118,327,641,271.08/479,946.40
  6. Step 6: Final answer
    x = 246,543.45

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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.