Home / 514,071.28-771,291.40-229,738.02

Finding the Fourth Proportional to 514,071.28, 771,291.40 and 229,738.02

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Solution

The fourth proportional to 514,071.28, 771,291.40 and 229,738.02 is: 344,689.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,071.28 : 771,291.40 = 229,738.02 : x
  2. Step 2: Convert to fraction form
    514,071.28/771,291.40 = 229,738.02/x
  3. Step 3: Cross multiply
    514,071.28x = 771,291.40 × 229,738.02
  4. Step 4: Simplify right side
    514,071.28x = 177,194,959,079.03
  5. Step 5: Solve for x
    x = 177,194,959,079.03/514,071.28
  6. Step 6: Final answer
    x = 344,689.47

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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.