Home / 298,208.14-447,158.97-87,818.74

Finding the Fourth Proportional to 298,208.14, 447,158.97 and 87,818.74

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Solution

The fourth proportional to 298,208.14, 447,158.97 and 87,818.74 is: 131,682.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,208.14 : 447,158.97 = 87,818.74 : x
  2. Step 2: Convert to fraction form
    298,208.14/447,158.97 = 87,818.74/x
  3. Step 3: Cross multiply
    298,208.14x = 447,158.97 × 87,818.74
  4. Step 4: Simplify right side
    298,208.14x = 39,268,936,207.20
  5. Step 5: Solve for x
    x = 39,268,936,207.20/298,208.14
  6. Step 6: Final answer
    x = 131,682.98

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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.