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Finding the Fourth Proportional to 539,082.80, 808,672.80 and 223,474.40

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Solution

The fourth proportional to 539,082.80, 808,672.80 and 223,474.40 is: 335,231.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,082.80 : 808,672.80 = 223,474.40 : x
  2. Step 2: Convert to fraction form
    539,082.80/808,672.80 = 223,474.40/x
  3. Step 3: Cross multiply
    539,082.80x = 808,672.80 × 223,474.40
  4. Step 4: Simplify right side
    539,082.80x = 180,717,668,776.32
  5. Step 5: Solve for x
    x = 180,717,668,776.32/539,082.80
  6. Step 6: Final answer
    x = 335,231.75

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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.