Home / 266,840.08-399,864.03-148,348.42

Finding the Fourth Proportional to 266,840.08, 399,864.03 and 148,348.42

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Solution

The fourth proportional to 266,840.08, 399,864.03 and 148,348.42 is: 222,302.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,840.08 : 399,864.03 = 148,348.42 : x
  2. Step 2: Convert to fraction form
    266,840.08/399,864.03 = 148,348.42/x
  3. Step 3: Cross multiply
    266,840.08x = 399,864.03 × 148,348.42
  4. Step 4: Simplify right side
    266,840.08x = 59,319,197,065.33
  5. Step 5: Solve for x
    x = 59,319,197,065.33/266,840.08
  6. Step 6: Final answer
    x = 222,302.43

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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.