Home / 272,158.64-375,762.20-243,389.04

Finding the Fourth Proportional to 272,158.64, 375,762.20 and 243,389.04

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Solution

The fourth proportional to 272,158.64, 375,762.20 and 243,389.04 is: 336,040.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,158.64 : 375,762.20 = 243,389.04 : x
  2. Step 2: Convert to fraction form
    272,158.64/375,762.20 = 243,389.04/x
  3. Step 3: Cross multiply
    272,158.64x = 375,762.20 × 243,389.04
  4. Step 4: Simplify right side
    272,158.64x = 91,456,401,126.29
  5. Step 5: Solve for x
    x = 91,456,401,126.29/272,158.64
  6. Step 6: Final answer
    x = 336,040.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.