Home / 266,233.29-398,712.93-153,679.33

Finding the Fourth Proportional to 266,233.29, 398,712.93 and 153,679.33

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Solution

The fourth proportional to 266,233.29, 398,712.93 and 153,679.33 is: 230,151.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,233.29 : 398,712.93 = 153,679.33 : x
  2. Step 2: Convert to fraction form
    266,233.29/398,712.93 = 153,679.33/x
  3. Step 3: Cross multiply
    266,233.29x = 398,712.93 × 153,679.33
  4. Step 4: Simplify right side
    266,233.29x = 61,273,935,944.74
  5. Step 5: Solve for x
    x = 61,273,935,944.74/266,233.29
  6. Step 6: Final answer
    x = 230,151.29

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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.