Home / 268,261.28-402,360.48-90,767.76

Finding the Fourth Proportional to 268,261.28, 402,360.48 and 90,767.76

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Solution

The fourth proportional to 268,261.28, 402,360.48 and 90,767.76 is: 136,141.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,261.28 : 402,360.48 = 90,767.76 : x
  2. Step 2: Convert to fraction form
    268,261.28/402,360.48 = 90,767.76/x
  3. Step 3: Cross multiply
    268,261.28x = 402,360.48 × 90,767.76
  4. Step 4: Simplify right side
    268,261.28x = 36,521,359,482.12
  5. Step 5: Solve for x
    x = 36,521,359,482.12/268,261.28
  6. Step 6: Final answer
    x = 136,141.00

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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.