Home / 318,239.46-439,181.76-175,010.40

Finding the Fourth Proportional to 318,239.46, 439,181.76 and 175,010.40

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Solution

The fourth proportional to 318,239.46, 439,181.76 and 175,010.40 is: 241,520.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,239.46 : 439,181.76 = 175,010.40 : x
  2. Step 2: Convert to fraction form
    318,239.46/439,181.76 = 175,010.40/x
  3. Step 3: Cross multiply
    318,239.46x = 439,181.76 × 175,010.40
  4. Step 4: Simplify right side
    318,239.46x = 76,861,375,490.30
  5. Step 5: Solve for x
    x = 76,861,375,490.30/318,239.46
  6. Step 6: Final answer
    x = 241,520.57

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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.