Home / 204,472.30-307,155.57-145,685.74

Finding the Fourth Proportional to 204,472.30, 307,155.57 and 145,685.74

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Solution

The fourth proportional to 204,472.30, 307,155.57 and 145,685.74 is: 218,847.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,472.30 : 307,155.57 = 145,685.74 : x
  2. Step 2: Convert to fraction form
    204,472.30/307,155.57 = 145,685.74/x
  3. Step 3: Cross multiply
    204,472.30x = 307,155.57 × 145,685.74
  4. Step 4: Simplify right side
    204,472.30x = 44,748,186,510.57
  5. Step 5: Solve for x
    x = 44,748,186,510.57/204,472.30
  6. Step 6: Final answer
    x = 218,847.18

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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.