Home / 266,234.29-398,714.43-153,680.33

Finding the Fourth Proportional to 266,234.29, 398,714.43 and 153,680.33

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Solution

The fourth proportional to 266,234.29, 398,714.43 and 153,680.33 is: 230,152.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,234.29 : 398,714.43 = 153,680.33 : x
  2. Step 2: Convert to fraction form
    266,234.29/398,714.43 = 153,680.33/x
  3. Step 3: Cross multiply
    266,234.29x = 398,714.43 × 153,680.33
  4. Step 4: Simplify right side
    266,234.29x = 61,274,565,178.16
  5. Step 5: Solve for x
    x = 61,274,565,178.16/266,234.29
  6. Step 6: Final answer
    x = 230,152.79

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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.