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Finding the Fourth Proportional to 402,544, 603,836.52 and 103,027.04

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Solution

The fourth proportional to 402,544, 603,836.52 and 103,027.04 is: 154,545.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,544 : 603,836.52 = 103,027.04 : x
  2. Step 2: Convert to fraction form
    402,544/603,836.52 = 103,027.04/x
  3. Step 3: Cross multiply
    402,544x = 603,836.52 × 103,027.04
  4. Step 4: Simplify right side
    402,544x = 62,211,489,299.50
  5. Step 5: Solve for x
    x = 62,211,489,299.50/402,544
  6. Step 6: Final answer
    x = 154,545.81

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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.