Home / 298,189.26-447,283.95-87,827.22

Finding the Fourth Proportional to 298,189.26, 447,283.95 and 87,827.22

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Solution

The fourth proportional to 298,189.26, 447,283.95 and 87,827.22 is: 131,740.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,189.26 : 447,283.95 = 87,827.22 : x
  2. Step 2: Convert to fraction form
    298,189.26/447,283.95 = 87,827.22/x
  3. Step 3: Cross multiply
    298,189.26x = 447,283.95 × 87,827.22
  4. Step 4: Simplify right side
    298,189.26x = 39,283,705,879.12
  5. Step 5: Solve for x
    x = 39,283,705,879.12/298,189.26
  6. Step 6: Final answer
    x = 131,740.85

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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.