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Finding the Fourth Proportional to 298,073.24, 447,109.84 and 87,711.24

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Solution

The fourth proportional to 298,073.24, 447,109.84 and 87,711.24 is: 131,566.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,073.24 : 447,109.84 = 87,711.24 : x
  2. Step 2: Convert to fraction form
    298,073.24/447,109.84 = 87,711.24/x
  3. Step 3: Cross multiply
    298,073.24x = 447,109.84 × 87,711.24
  4. Step 4: Simplify right side
    298,073.24x = 39,216,558,482.60
  5. Step 5: Solve for x
    x = 39,216,558,482.60/298,073.24
  6. Step 6: Final answer
    x = 131,566.85

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