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Finding the Fourth Proportional to 295,314.60, 442,680.30 and 117,584.40

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Solution

The fourth proportional to 295,314.60, 442,680.30 and 117,584.40 is: 176,260.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,314.60 : 442,680.30 = 117,584.40 : x
  2. Step 2: Convert to fraction form
    295,314.60/442,680.30 = 117,584.40/x
  3. Step 3: Cross multiply
    295,314.60x = 442,680.30 × 117,584.40
  4. Step 4: Simplify right side
    295,314.60x = 52,052,297,467.32
  5. Step 5: Solve for x
    x = 52,052,297,467.32/295,314.60
  6. Step 6: Final answer
    x = 176,260.49

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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.