Home / 281,268.48-421,966.08-94,275.20

Finding the Fourth Proportional to 281,268.48, 421,966.08 and 94,275.20

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Solution

The fourth proportional to 281,268.48, 421,966.08 and 94,275.20 is: 141,434.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,268.48 : 421,966.08 = 94,275.20 : x
  2. Step 2: Convert to fraction form
    281,268.48/421,966.08 = 94,275.20/x
  3. Step 3: Cross multiply
    281,268.48x = 421,966.08 × 94,275.20
  4. Step 4: Simplify right side
    281,268.48x = 39,780,936,585.22
  5. Step 5: Solve for x
    x = 39,780,936,585.22/281,268.48
  6. Step 6: Final answer
    x = 141,434.04

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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.