Home / 257,126.82-385,545.79-176,165.22

Finding the Fourth Proportional to 257,126.82, 385,545.79 and 176,165.22

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Solution

The fourth proportional to 257,126.82, 385,545.79 and 176,165.22 is: 264,148.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,126.82 : 385,545.79 = 176,165.22 : x
  2. Step 2: Convert to fraction form
    257,126.82/385,545.79 = 176,165.22/x
  3. Step 3: Cross multiply
    257,126.82x = 385,545.79 × 176,165.22
  4. Step 4: Simplify right side
    257,126.82x = 67,919,758,915.42
  5. Step 5: Solve for x
    x = 67,919,758,915.42/257,126.82
  6. Step 6: Final answer
    x = 264,148.87

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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.