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Finding the Fourth Proportional to 377,514.52, 520,970.15 and 207,748.65

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Solution

The fourth proportional to 377,514.52, 520,970.15 and 207,748.65 is: 286,693.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,514.52 : 520,970.15 = 207,748.65 : x
  2. Step 2: Convert to fraction form
    377,514.52/520,970.15 = 207,748.65/x
  3. Step 3: Cross multiply
    377,514.52x = 520,970.15 × 207,748.65
  4. Step 4: Simplify right side
    377,514.52x = 108,230,841,709.20
  5. Step 5: Solve for x
    x = 108,230,841,709.20/377,514.52
  6. Step 6: Final answer
    x = 286,693.19

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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.