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Finding the Fourth Proportional to 360,023.92, 539,444.17 and 123,237.43

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Solution

The fourth proportional to 360,023.92, 539,444.17 and 123,237.43 is: 184,653.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,023.92 : 539,444.17 = 123,237.43 : x
  2. Step 2: Convert to fraction form
    360,023.92/539,444.17 = 123,237.43/x
  3. Step 3: Cross multiply
    360,023.92x = 539,444.17 × 123,237.43
  4. Step 4: Simplify right side
    360,023.92x = 66,479,709,825.88
  5. Step 5: Solve for x
    x = 66,479,709,825.88/360,023.92
  6. Step 6: Final answer
    x = 184,653.59

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1.5x scale

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.