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Finding the Fourth Proportional to 240,003.90, 360,005.85 and 99,863.10

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Solution

The fourth proportional to 240,003.90, 360,005.85 and 99,863.10 is: 149,794.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,003.90 : 360,005.85 = 99,863.10 : x
  2. Step 2: Convert to fraction form
    240,003.90/360,005.85 = 99,863.10/x
  3. Step 3: Cross multiply
    240,003.90x = 360,005.85 × 99,863.10
  4. Step 4: Simplify right side
    240,003.90x = 35,951,300,199.14
  5. Step 5: Solve for x
    x = 35,951,300,199.14/240,003.90
  6. Step 6: Final answer
    x = 149,794.65

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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.