Home / 298,013.04-447,082.20-87,633.36

Finding the Fourth Proportional to 298,013.04, 447,082.20 and 87,633.36

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Solution

The fourth proportional to 298,013.04, 447,082.20 and 87,633.36 is: 131,468.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,013.04 : 447,082.20 = 87,633.36 : x
  2. Step 2: Convert to fraction form
    298,013.04/447,082.20 = 87,633.36/x
  3. Step 3: Cross multiply
    298,013.04x = 447,082.20 × 87,633.36
  4. Step 4: Simplify right side
    298,013.04x = 39,179,315,382.19
  5. Step 5: Solve for x
    x = 39,179,315,382.19/298,013.04
  6. Step 6: Final answer
    x = 131,468.46

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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.