Home / 386,229.13-579,230.29-149,515.27

Finding the Fourth Proportional to 386,229.13, 579,230.29 and 149,515.27

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Solution

The fourth proportional to 386,229.13, 579,230.29 and 149,515.27 is: 224,229.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,229.13 : 579,230.29 = 149,515.27 : x
  2. Step 2: Convert to fraction form
    386,229.13/579,230.29 = 149,515.27/x
  3. Step 3: Cross multiply
    386,229.13x = 579,230.29 × 149,515.27
  4. Step 4: Simplify right side
    386,229.13x = 86,603,771,940.35
  5. Step 5: Solve for x
    x = 86,603,771,940.35/386,229.13
  6. Step 6: Final answer
    x = 224,229.00

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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.