Home / 347,932.60-522,071.70-137,577.40

Finding the Fourth Proportional to 347,932.60, 522,071.70 and 137,577.40

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Solution

The fourth proportional to 347,932.60, 522,071.70 and 137,577.40 is: 206,434.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,932.60 : 522,071.70 = 137,577.40 : x
  2. Step 2: Convert to fraction form
    347,932.60/522,071.70 = 137,577.40/x
  3. Step 3: Cross multiply
    347,932.60x = 522,071.70 × 137,577.40
  4. Step 4: Simplify right side
    347,932.60x = 71,825,267,099.58
  5. Step 5: Solve for x
    x = 71,825,267,099.58/347,932.60
  6. Step 6: Final answer
    x = 206,434.43

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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.