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Finding the Fourth Proportional to 297,479.52, 410,521.70 and 163,343.52

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Solution

The fourth proportional to 297,479.52, 410,521.70 and 163,343.52 is: 225,414.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,479.52 : 410,521.70 = 163,343.52 : x
  2. Step 2: Convert to fraction form
    297,479.52/410,521.70 = 163,343.52/x
  3. Step 3: Cross multiply
    297,479.52x = 410,521.70 × 163,343.52
  4. Step 4: Simplify right side
    297,479.52x = 67,056,059,514.38
  5. Step 5: Solve for x
    x = 67,056,059,514.38/297,479.52
  6. Step 6: Final answer
    x = 225,414.04

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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.