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Finding the Fourth Proportional to 372,990.06, 514,501.92 and 227,729.52

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Solution

The fourth proportional to 372,990.06, 514,501.92 and 227,729.52 is: 314,129.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,990.06 : 514,501.92 = 227,729.52 : x
  2. Step 2: Convert to fraction form
    372,990.06/514,501.92 = 227,729.52/x
  3. Step 3: Cross multiply
    372,990.06x = 514,501.92 × 227,729.52
  4. Step 4: Simplify right side
    372,990.06x = 117,167,275,280.68
  5. Step 5: Solve for x
    x = 117,167,275,280.68/372,990.06
  6. Step 6: Final answer
    x = 314,129.75

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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.