Home / 449,743.53-674,515.95-129,825.87

Finding the Fourth Proportional to 449,743.53, 674,515.95 and 129,825.87

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Solution

The fourth proportional to 449,743.53, 674,515.95 and 129,825.87 is: 194,710.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,743.53 : 674,515.95 = 129,825.87 : x
  2. Step 2: Convert to fraction form
    449,743.53/674,515.95 = 129,825.87/x
  3. Step 3: Cross multiply
    449,743.53x = 674,515.95 × 129,825.87
  4. Step 4: Simplify right side
    449,743.53x = 87,569,620,037.63
  5. Step 5: Solve for x
    x = 87,569,620,037.63/449,743.53
  6. Step 6: Final answer
    x = 194,710.13

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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.