Home / 257,908.04-383,741.76-251,479.88

Finding the Fourth Proportional to 257,908.04, 383,741.76 and 251,479.88

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Solution

The fourth proportional to 257,908.04, 383,741.76 and 251,479.88 is: 374,177.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,908.04 : 383,741.76 = 251,479.88 : x
  2. Step 2: Convert to fraction form
    257,908.04/383,741.76 = 251,479.88/x
  3. Step 3: Cross multiply
    257,908.04x = 383,741.76 × 251,479.88
  4. Step 4: Simplify right side
    257,908.04x = 96,503,331,755.79
  5. Step 5: Solve for x
    x = 96,503,331,755.79/257,908.04
  6. Step 6: Final answer
    x = 374,177.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.