Home / 372,990.12-514,711.92-203,225.52

Finding the Fourth Proportional to 372,990.12, 514,711.92 and 203,225.52

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Solution

The fourth proportional to 372,990.12, 514,711.92 and 203,225.52 is: 280,443.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,990.12 : 514,711.92 = 203,225.52 : x
  2. Step 2: Convert to fraction form
    372,990.12/514,711.92 = 203,225.52/x
  3. Step 3: Cross multiply
    372,990.12x = 514,711.92 × 203,225.52
  4. Step 4: Simplify right side
    372,990.12x = 104,602,597,592.20
  5. Step 5: Solve for x
    x = 104,602,597,592.20/372,990.12
  6. Step 6: Final answer
    x = 280,443.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.