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Finding the Fourth Proportional to 253,521.79, 350,097.17 and 163,034.91

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Solution

The fourth proportional to 253,521.79, 350,097.17 and 163,034.91 is: 225,140.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,521.79 : 350,097.17 = 163,034.91 : x
  2. Step 2: Convert to fraction form
    253,521.79/350,097.17 = 163,034.91/x
  3. Step 3: Cross multiply
    253,521.79x = 350,097.17 × 163,034.91
  4. Step 4: Simplify right side
    253,521.79x = 57,078,059,787.03
  5. Step 5: Solve for x
    x = 57,078,059,787.03/253,521.79
  6. Step 6: Final answer
    x = 225,140.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.