Home / 371,427.12-557,411.22-134,788.86

Finding the Fourth Proportional to 371,427.12, 557,411.22 and 134,788.86

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Solution

The fourth proportional to 371,427.12, 557,411.22 and 134,788.86 is: 202,281.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,427.12 : 557,411.22 = 134,788.86 : x
  2. Step 2: Convert to fraction form
    371,427.12/557,411.22 = 134,788.86/x
  3. Step 3: Cross multiply
    371,427.12x = 557,411.22 × 134,788.86
  4. Step 4: Simplify right side
    371,427.12x = 75,132,822,895.01
  5. Step 5: Solve for x
    x = 75,132,822,895.01/371,427.12
  6. Step 6: Final answer
    x = 202,281.47

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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.