Home / 347,921.10-522,054.45-137,565.90

Finding the Fourth Proportional to 347,921.10, 522,054.45 and 137,565.90

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Solution

The fourth proportional to 347,921.10, 522,054.45 and 137,565.90 is: 206,417.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,921.10 : 522,054.45 = 137,565.90 : x
  2. Step 2: Convert to fraction form
    347,921.10/522,054.45 = 137,565.90/x
  3. Step 3: Cross multiply
    347,921.10x = 522,054.45 × 137,565.90
  4. Step 4: Simplify right side
    347,921.10x = 71,816,890,263.26
  5. Step 5: Solve for x
    x = 71,816,890,263.26/347,921.10
  6. Step 6: Final answer
    x = 206,417.17

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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.