Home / 438,799.90-658,005.45-202,215.10

Finding the Fourth Proportional to 438,799.90, 658,005.45 and 202,215.10

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Solution

The fourth proportional to 438,799.90, 658,005.45 and 202,215.10 is: 303,233.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,799.90 : 658,005.45 = 202,215.10 : x
  2. Step 2: Convert to fraction form
    438,799.90/658,005.45 = 202,215.10/x
  3. Step 3: Cross multiply
    438,799.90x = 658,005.45 × 202,215.10
  4. Step 4: Simplify right side
    438,799.90x = 133,058,637,872.30
  5. Step 5: Solve for x
    x = 133,058,637,872.30/438,799.90
  6. Step 6: Final answer
    x = 303,233.06

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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.