Home / 438,774.03-658,161.05-154,397.61

Finding the Fourth Proportional to 438,774.03, 658,161.05 and 154,397.61

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Solution

The fourth proportional to 438,774.03, 658,161.05 and 154,397.61 is: 231,596.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,774.03 : 658,161.05 = 154,397.61 : x
  2. Step 2: Convert to fraction form
    438,774.03/658,161.05 = 154,397.61/x
  3. Step 3: Cross multiply
    438,774.03x = 658,161.05 × 154,397.61
  4. Step 4: Simplify right side
    438,774.03x = 101,618,492,343.10
  5. Step 5: Solve for x
    x = 101,618,492,343.10/438,774.03
  6. Step 6: Final answer
    x = 231,596.42

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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.