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Finding the Fourth Proportional to 360,572, 539,750.82 and 226,826.03

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Solution

The fourth proportional to 360,572, 539,750.82 and 226,826.03 is: 339,542.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,572 : 539,750.82 = 226,826.03 : x
  2. Step 2: Convert to fraction form
    360,572/539,750.82 = 226,826.03/x
  3. Step 3: Cross multiply
    360,572x = 539,750.82 × 226,826.03
  4. Step 4: Simplify right side
    360,572x = 122,429,535,689.85
  5. Step 5: Solve for x
    x = 122,429,535,689.85/360,572
  6. Step 6: Final answer
    x = 339,542.55

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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.