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Finding the Fourth Proportional to 150,488.82, 225,772.38 and 43,870.32

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Solution

The fourth proportional to 150,488.82, 225,772.38 and 43,870.32 is: 65,816.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,488.82 : 225,772.38 = 43,870.32 : x
  2. Step 2: Convert to fraction form
    150,488.82/225,772.38 = 43,870.32/x
  3. Step 3: Cross multiply
    150,488.82x = 225,772.38 × 43,870.32
  4. Step 4: Simplify right side
    150,488.82x = 9,904,706,557.76
  5. Step 5: Solve for x
    x = 9,904,706,557.76/150,488.82
  6. Step 6: Final answer
    x = 65,816.89

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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.