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Finding the Fourth Proportional to 377,274.30, 520,627.66 and 207,508.42

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Solution

The fourth proportional to 377,274.30, 520,627.66 and 207,508.42 is: 286,355.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,274.30 : 520,627.66 = 207,508.42 : x
  2. Step 2: Convert to fraction form
    377,274.30/520,627.66 = 207,508.42/x
  3. Step 3: Cross multiply
    377,274.30x = 520,627.66 × 207,508.42
  4. Step 4: Simplify right side
    377,274.30x = 108,034,623,134.90
  5. Step 5: Solve for x
    x = 108,034,623,134.90/377,274.30
  6. Step 6: Final answer
    x = 286,355.64

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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.