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Finding the Fourth Proportional to 298,997.38, 448,496.08 and 121,518.24

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Solution

The fourth proportional to 298,997.38, 448,496.08 and 121,518.24 is: 182,277.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,997.38 : 448,496.08 = 121,518.24 : x
  2. Step 2: Convert to fraction form
    298,997.38/448,496.08 = 121,518.24/x
  3. Step 3: Cross multiply
    298,997.38x = 448,496.08 × 121,518.24
  4. Step 4: Simplify right side
    298,997.38x = 54,500,454,288.50
  5. Step 5: Solve for x
    x = 54,500,454,288.50/298,997.38
  6. Step 6: Final answer
    x = 182,277.36

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1.5x scale

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.