Home / 438,312.10-658,082.55-272,424.10

Finding the Fourth Proportional to 438,312.10, 658,082.55 and 272,424.10

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Solution

The fourth proportional to 438,312.10, 658,082.55 and 272,424.10 is: 409,018.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,312.10 : 658,082.55 = 272,424.10 : x
  2. Step 2: Convert to fraction form
    438,312.10/658,082.55 = 272,424.10/x
  3. Step 3: Cross multiply
    438,312.10x = 658,082.55 × 272,424.10
  4. Step 4: Simplify right side
    438,312.10x = 179,277,546,409.46
  5. Step 5: Solve for x
    x = 179,277,546,409.46/438,312.10
  6. Step 6: Final answer
    x = 409,018.02

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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.