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Finding the Fourth Proportional to 377,291.17, 520,650.95 and 207,525.30

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Solution

The fourth proportional to 377,291.17, 520,650.95 and 207,525.30 is: 286,378.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,291.17 : 520,650.95 = 207,525.30 : x
  2. Step 2: Convert to fraction form
    377,291.17/520,650.95 = 207,525.30/x
  3. Step 3: Cross multiply
    377,291.17x = 520,650.95 × 207,525.30
  4. Step 4: Simplify right side
    377,291.17x = 108,048,244,594.04
  5. Step 5: Solve for x
    x = 108,048,244,594.04/377,291.17
  6. Step 6: Final answer
    x = 286,378.94

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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.