Home / 482,038.12-723,151.76-178,434.93

Finding the Fourth Proportional to 482,038.12, 723,151.76 and 178,434.93

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Solution

The fourth proportional to 482,038.12, 723,151.76 and 178,434.93 is: 267,687.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,038.12 : 723,151.76 = 178,434.93 : x
  2. Step 2: Convert to fraction form
    482,038.12/723,151.76 = 178,434.93/x
  3. Step 3: Cross multiply
    482,038.12x = 723,151.76 × 178,434.93
  4. Step 4: Simplify right side
    482,038.12x = 129,035,532,782.80
  5. Step 5: Solve for x
    x = 129,035,532,782.80/482,038.12
  6. Step 6: Final answer
    x = 267,687.40

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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.