Home / 348,327.13-522,537.26-137,915.86

Finding the Fourth Proportional to 348,327.13, 522,537.26 and 137,915.86

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Solution

The fourth proportional to 348,327.13, 522,537.26 and 137,915.86 is: 206,892.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,327.13 : 522,537.26 = 137,915.86 : x
  2. Step 2: Convert to fraction form
    348,327.13/522,537.26 = 137,915.86/x
  3. Step 3: Cross multiply
    348,327.13x = 522,537.26 × 137,915.86
  4. Step 4: Simplify right side
    348,327.13x = 72,066,175,594.94
  5. Step 5: Solve for x
    x = 72,066,175,594.94/348,327.13
  6. Step 6: Final answer
    x = 206,892.23

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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.