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Finding the Fourth Proportional to 291,937.16, 402,873.02 and 157,801.16

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Solution

The fourth proportional to 291,937.16, 402,873.02 and 157,801.16 is: 217,765.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,937.16 : 402,873.02 = 157,801.16 : x
  2. Step 2: Convert to fraction form
    291,937.16/402,873.02 = 157,801.16/x
  3. Step 3: Cross multiply
    291,937.16x = 402,873.02 × 157,801.16
  4. Step 4: Simplify right side
    291,937.16x = 63,573,829,888.70
  5. Step 5: Solve for x
    x = 63,573,829,888.70/291,937.16
  6. Step 6: Final answer
    x = 217,765.46

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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.