Home / 268,479.23-402,717.02-91,111.10

Finding the Fourth Proportional to 268,479.23, 402,717.02 and 91,111.10

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Solution

The fourth proportional to 268,479.23, 402,717.02 and 91,111.10 is: 136,666.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,479.23 : 402,717.02 = 91,111.10 : x
  2. Step 2: Convert to fraction form
    268,479.23/402,717.02 = 91,111.10/x
  3. Step 3: Cross multiply
    268,479.23x = 402,717.02 × 91,111.10
  4. Step 4: Simplify right side
    268,479.23x = 36,691,988,211.78
  5. Step 5: Solve for x
    x = 36,691,988,211.78/268,479.23
  6. Step 6: Final answer
    x = 136,666.02

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1.5x scale

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.