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Finding the Fourth Proportional to 370,060.79, 510,696.26 and 226,793.15

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Solution

The fourth proportional to 370,060.79, 510,696.26 and 226,793.15 is: 312,982.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,060.79 : 510,696.26 = 226,793.15 : x
  2. Step 2: Convert to fraction form
    370,060.79/510,696.26 = 226,793.15/x
  3. Step 3: Cross multiply
    370,060.79x = 510,696.26 × 226,793.15
  4. Step 4: Simplify right side
    370,060.79x = 115,822,413,498.62
  5. Step 5: Solve for x
    x = 115,822,413,498.62/370,060.79
  6. Step 6: Final answer
    x = 312,982.13

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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.