Home / 347,832.60-521,921.70-137,477.40

Finding the Fourth Proportional to 347,832.60, 521,921.70 and 137,477.40

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Solution

The fourth proportional to 347,832.60, 521,921.70 and 137,477.40 is: 206,284.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,832.60 : 521,921.70 = 137,477.40 : x
  2. Step 2: Convert to fraction form
    347,832.60/521,921.70 = 137,477.40/x
  3. Step 3: Cross multiply
    347,832.60x = 521,921.70 × 137,477.40
  4. Step 4: Simplify right side
    347,832.60x = 71,752,438,319.58
  5. Step 5: Solve for x
    x = 71,752,438,319.58/347,832.60
  6. Step 6: Final answer
    x = 206,284.40

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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.