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Finding the Fourth Proportional to 265,184.57, 397,716.10 and 75,641.33

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Solution

The fourth proportional to 265,184.57, 397,716.10 and 75,641.33 is: 113,444.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,184.57 : 397,716.10 = 75,641.33 : x
  2. Step 2: Convert to fraction form
    265,184.57/397,716.10 = 75,641.33/x
  3. Step 3: Cross multiply
    265,184.57x = 397,716.10 × 75,641.33
  4. Step 4: Simplify right side
    265,184.57x = 30,083,772,588.73
  5. Step 5: Solve for x
    x = 30,083,772,588.73/265,184.57
  6. Step 6: Final answer
    x = 113,444.66

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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.