Home / 218,110.32-300,805.65-150,235.56

Finding the Fourth Proportional to 218,110.32, 300,805.65 and 150,235.56

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Solution

The fourth proportional to 218,110.32, 300,805.65 and 150,235.56 is: 207,196.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,110.32 : 300,805.65 = 150,235.56 : x
  2. Step 2: Convert to fraction form
    218,110.32/300,805.65 = 150,235.56/x
  3. Step 3: Cross multiply
    218,110.32x = 300,805.65 × 150,235.56
  4. Step 4: Simplify right side
    218,110.32x = 45,191,705,278.91
  5. Step 5: Solve for x
    x = 45,191,705,278.91/218,110.32
  6. Step 6: Final answer
    x = 207,196.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.