Home / 385,818.03-579,614.00-272,227.28

Finding the Fourth Proportional to 385,818.03, 579,614.00 and 272,227.28

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Solution

The fourth proportional to 385,818.03, 579,614.00 and 272,227.28 is: 408,966.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,818.03 : 579,614.00 = 272,227.28 : x
  2. Step 2: Convert to fraction form
    385,818.03/579,614.00 = 272,227.28/x
  3. Step 3: Cross multiply
    385,818.03x = 579,614.00 × 272,227.28
  4. Step 4: Simplify right side
    385,818.03x = 157,786,738,410.71
  5. Step 5: Solve for x
    x = 157,786,738,410.71/385,818.03
  6. Step 6: Final answer
    x = 408,966.73

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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.