Home / 441,337.20-662,005.80-145,849.20

Finding the Fourth Proportional to 441,337.20, 662,005.80 and 145,849.20

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Solution

The fourth proportional to 441,337.20, 662,005.80 and 145,849.20 is: 218,773.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,337.20 : 662,005.80 = 145,849.20 : x
  2. Step 2: Convert to fraction form
    441,337.20/662,005.80 = 145,849.20/x
  3. Step 3: Cross multiply
    441,337.20x = 662,005.80 × 145,849.20
  4. Step 4: Simplify right side
    441,337.20x = 96,553,016,325.36
  5. Step 5: Solve for x
    x = 96,553,016,325.36/441,337.20
  6. Step 6: Final answer
    x = 218,773.80

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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.