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Finding the Fourth Proportional to 344,485, 516,729.66 and 95,169.16

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Solution

The fourth proportional to 344,485, 516,729.66 and 95,169.16 is: 142,754.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,485 : 516,729.66 = 95,169.16 : x
  2. Step 2: Convert to fraction form
    344,485/516,729.66 = 95,169.16/x
  3. Step 3: Cross multiply
    344,485x = 516,729.66 × 95,169.16
  4. Step 4: Simplify right side
    344,485x = 49,176,727,689.29
  5. Step 5: Solve for x
    x = 49,176,727,689.29/344,485
  6. Step 6: Final answer
    x = 142,754.34

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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.