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Finding the Fourth Proportional to 298,339.77, 447,509.12 and 88,125.33

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Solution

The fourth proportional to 298,339.77, 447,509.12 and 88,125.33 is: 132,187.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,339.77 : 447,509.12 = 88,125.33 : x
  2. Step 2: Convert to fraction form
    298,339.77/447,509.12 = 88,125.33/x
  3. Step 3: Cross multiply
    298,339.77x = 447,509.12 × 88,125.33
  4. Step 4: Simplify right side
    298,339.77x = 39,436,888,437.38
  5. Step 5: Solve for x
    x = 39,436,888,437.38/298,339.77
  6. Step 6: Final answer
    x = 132,187.84

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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.