Home / 347,601.20-521,272.20-137,195.60

Finding the Fourth Proportional to 347,601.20, 521,272.20 and 137,195.60

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Solution

The fourth proportional to 347,601.20, 521,272.20 and 137,195.60 is: 205,742.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,601.20 : 521,272.20 = 137,195.60 : x
  2. Step 2: Convert to fraction form
    347,601.20/521,272.20 = 137,195.60/x
  3. Step 3: Cross multiply
    347,601.20x = 521,272.20 × 137,195.60
  4. Step 4: Simplify right side
    347,601.20x = 71,516,252,242.32
  5. Step 5: Solve for x
    x = 71,516,252,242.32/347,601.20
  6. Step 6: Final answer
    x = 205,742.25

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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.