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Finding the Fourth Proportional to 300,785.68, 451,181.08 and 240,665.18

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Solution

The fourth proportional to 300,785.68, 451,181.08 and 240,665.18 is: 360,999.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,785.68 : 451,181.08 = 240,665.18 : x
  2. Step 2: Convert to fraction form
    300,785.68/451,181.08 = 240,665.18/x
  3. Step 3: Cross multiply
    300,785.68x = 451,181.08 × 240,665.18
  4. Step 4: Simplify right side
    300,785.68x = 108,583,575,830.79
  5. Step 5: Solve for x
    x = 108,583,575,830.79/300,785.68
  6. Step 6: Final answer
    x = 360,999.82

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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.