Home / 385,514.96-532,252.13-247,749.75

Finding the Fourth Proportional to 385,514.96, 532,252.13 and 247,749.75

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Solution

The fourth proportional to 385,514.96, 532,252.13 and 247,749.75 is: 342,049.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,514.96 : 532,252.13 = 247,749.75 : x
  2. Step 2: Convert to fraction form
    385,514.96/532,252.13 = 247,749.75/x
  3. Step 3: Cross multiply
    385,514.96x = 532,252.13 × 247,749.75
  4. Step 4: Simplify right side
    385,514.96x = 131,865,330,905.72
  5. Step 5: Solve for x
    x = 131,865,330,905.72/385,514.96
  6. Step 6: Final answer
    x = 342,049.85

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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.