Home / 268,577.28-402,632.64-157,536

Finding the Fourth Proportional to 268,577.28, 402,632.64 and 157,536

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Solution

The fourth proportional to 268,577.28, 402,632.64 and 157,536 is: 236,167.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,577.28 : 402,632.64 = 157,536 : x
  2. Step 2: Convert to fraction form
    268,577.28/402,632.64 = 157,536/x
  3. Step 3: Cross multiply
    268,577.28x = 402,632.64 × 157,536
  4. Step 4: Simplify right side
    268,577.28x = 63,429,135,575.04
  5. Step 5: Solve for x
    x = 63,429,135,575.04/268,577.28
  6. Step 6: Final answer
    x = 236,167.17

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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.