Home / 438,949.47-658,476.96-154,581.24

Finding the Fourth Proportional to 438,949.47, 658,476.96 and 154,581.24

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Solution

The fourth proportional to 438,949.47, 658,476.96 and 154,581.24 is: 231,890.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,949.47 : 658,476.96 = 154,581.24 : x
  2. Step 2: Convert to fraction form
    438,949.47/658,476.96 = 154,581.24/x
  3. Step 3: Cross multiply
    438,949.47x = 658,476.96 × 154,581.24
  4. Step 4: Simplify right side
    438,949.47x = 101,788,184,988.23
  5. Step 5: Solve for x
    x = 101,788,184,988.23/438,949.47
  6. Step 6: Final answer
    x = 231,890.44

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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.