Home / 372,155.57-558,266.65-144,445.85

Finding the Fourth Proportional to 372,155.57, 558,266.65 and 144,445.85

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Solution

The fourth proportional to 372,155.57, 558,266.65 and 144,445.85 is: 216,681.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,155.57 : 558,266.65 = 144,445.85 : x
  2. Step 2: Convert to fraction form
    372,155.57/558,266.65 = 144,445.85/x
  3. Step 3: Cross multiply
    372,155.57x = 558,266.65 × 144,445.85
  4. Step 4: Simplify right side
    372,155.57x = 80,639,299,754.40
  5. Step 5: Solve for x
    x = 80,639,299,754.40/372,155.57
  6. Step 6: Final answer
    x = 216,681.70

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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.