Home / 298,331.19-447,428.43-85,095.05

Finding the Fourth Proportional to 298,331.19, 447,428.43 and 85,095.05

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Solution

The fourth proportional to 298,331.19, 447,428.43 and 85,095.05 is: 127,623.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,331.19 : 447,428.43 = 85,095.05 : x
  2. Step 2: Convert to fraction form
    298,331.19/447,428.43 = 85,095.05/x
  3. Step 3: Cross multiply
    298,331.19x = 447,428.43 × 85,095.05
  4. Step 4: Simplify right side
    298,331.19x = 38,073,942,385.13
  5. Step 5: Solve for x
    x = 38,073,942,385.13/298,331.19
  6. Step 6: Final answer
    x = 127,623.07

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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.