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Finding the Fourth Proportional to 291,377.16, 402,084.87 and 160,550.75

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Solution

The fourth proportional to 291,377.16, 402,084.87 and 160,550.75 is: 221,551.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,377.16 : 402,084.87 = 160,550.75 : x
  2. Step 2: Convert to fraction form
    291,377.16/402,084.87 = 160,550.75/x
  3. Step 3: Cross multiply
    291,377.16x = 402,084.87 × 160,550.75
  4. Step 4: Simplify right side
    291,377.16x = 64,555,025,431.73
  5. Step 5: Solve for x
    x = 64,555,025,431.73/291,377.16
  6. Step 6: Final answer
    x = 221,551.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.