Home / 385,888.05-532,524.38-222,543.86

Finding the Fourth Proportional to 385,888.05, 532,524.38 and 222,543.86

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Solution

The fourth proportional to 385,888.05, 532,524.38 and 222,543.86 is: 307,109.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,888.05 : 532,524.38 = 222,543.86 : x
  2. Step 2: Convert to fraction form
    385,888.05/532,524.38 = 222,543.86/x
  3. Step 3: Cross multiply
    385,888.05x = 532,524.38 × 222,543.86
  4. Step 4: Simplify right side
    385,888.05x = 118,510,027,293.97
  5. Step 5: Solve for x
    x = 118,510,027,293.97/385,888.05
  6. Step 6: Final answer
    x = 307,109.87

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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.