Home / 460,151.12-689,875.32-144,425.36

Finding the Fourth Proportional to 460,151.12, 689,875.32 and 144,425.36

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Solution

The fourth proportional to 460,151.12, 689,875.32 and 144,425.36 is: 216,527.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,151.12 : 689,875.32 = 144,425.36 : x
  2. Step 2: Convert to fraction form
    460,151.12/689,875.32 = 144,425.36/x
  3. Step 3: Cross multiply
    460,151.12x = 689,875.32 × 144,425.36
  4. Step 4: Simplify right side
    460,151.12x = 99,635,491,446.12
  5. Step 5: Solve for x
    x = 99,635,491,446.12/460,151.12
  6. Step 6: Final answer
    x = 216,527.76

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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.