Home / 204,472.80-307,156.32-145,686.24

Finding the Fourth Proportional to 204,472.80, 307,156.32 and 145,686.24

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Solution

The fourth proportional to 204,472.80, 307,156.32 and 145,686.24 is: 218,847.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,472.80 : 307,156.32 = 145,686.24 : x
  2. Step 2: Convert to fraction form
    204,472.80/307,156.32 = 145,686.24/x
  3. Step 3: Cross multiply
    204,472.80x = 307,156.32 × 145,686.24
  4. Step 4: Simplify right side
    204,472.80x = 44,748,449,353.04
  5. Step 5: Solve for x
    x = 44,748,449,353.04/204,472.80
  6. Step 6: Final answer
    x = 218,847.93

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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.