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Finding the Fourth Proportional to 377,530.92, 520,992.30 and 207,765.06

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Solution

The fourth proportional to 377,530.92, 520,992.30 and 207,765.06 is: 286,715.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,530.92 : 520,992.30 = 207,765.06 : x
  2. Step 2: Convert to fraction form
    377,530.92/520,992.30 = 207,765.06/x
  3. Step 3: Cross multiply
    377,530.92x = 520,992.30 × 207,765.06
  4. Step 4: Simplify right side
    377,530.92x = 108,243,996,469.04
  5. Step 5: Solve for x
    x = 108,243,996,469.04/377,530.92
  6. Step 6: Final answer
    x = 286,715.58

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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.