Home / 254,564.91-382,008.15-142,318.76

Finding the Fourth Proportional to 254,564.91, 382,008.15 and 142,318.76

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Solution

The fourth proportional to 254,564.91, 382,008.15 and 142,318.76 is: 213,568.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,564.91 : 382,008.15 = 142,318.76 : x
  2. Step 2: Convert to fraction form
    254,564.91/382,008.15 = 142,318.76/x
  3. Step 3: Cross multiply
    254,564.91x = 382,008.15 × 142,318.76
  4. Step 4: Simplify right side
    254,564.91x = 54,366,924,307.85
  5. Step 5: Solve for x
    x = 54,366,924,307.85/254,564.91
  6. Step 6: Final answer
    x = 213,568.02

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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.