Home / 438,717.48-658,076.34-158,234.72

Finding the Fourth Proportional to 438,717.48, 658,076.34 and 158,234.72

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Solution

The fourth proportional to 438,717.48, 658,076.34 and 158,234.72 is: 237,352.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,717.48 : 658,076.34 = 158,234.72 : x
  2. Step 2: Convert to fraction form
    438,717.48/658,076.34 = 158,234.72/x
  3. Step 3: Cross multiply
    438,717.48x = 658,076.34 × 158,234.72
  4. Step 4: Simplify right side
    438,717.48x = 104,130,525,398.53
  5. Step 5: Solve for x
    x = 104,130,525,398.53/438,717.48
  6. Step 6: Final answer
    x = 237,352.12

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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.