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Finding the Fourth Proportional to 298,882.08, 447,710.76 and 239,395.68

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Solution

The fourth proportional to 298,882.08, 447,710.76 and 239,395.68 is: 358,603.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,882.08 : 447,710.76 = 239,395.68 : x
  2. Step 2: Convert to fraction form
    298,882.08/447,710.76 = 239,395.68/x
  3. Step 3: Cross multiply
    298,882.08x = 447,710.76 × 239,395.68
  4. Step 4: Simplify right side
    298,882.08x = 107,180,021,833.52
  5. Step 5: Solve for x
    x = 107,180,021,833.52/298,882.08
  6. Step 6: Final answer
    x = 358,603.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.