Home / 408,664.32-613,050.03-135,019.61

Finding the Fourth Proportional to 408,664.32, 613,050.03 and 135,019.61

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Solution

The fourth proportional to 408,664.32, 613,050.03 and 135,019.61 is: 202,547.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,664.32 : 613,050.03 = 135,019.61 : x
  2. Step 2: Convert to fraction form
    408,664.32/613,050.03 = 135,019.61/x
  3. Step 3: Cross multiply
    408,664.32x = 613,050.03 × 135,019.61
  4. Step 4: Simplify right side
    408,664.32x = 82,773,775,961.09
  5. Step 5: Solve for x
    x = 82,773,775,961.09/408,664.32
  6. Step 6: Final answer
    x = 202,547.11

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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.