Home / 318,239.21-439,181.39-175,010.15

Finding the Fourth Proportional to 318,239.21, 439,181.39 and 175,010.15

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Solution

The fourth proportional to 318,239.21, 439,181.39 and 175,010.15 is: 241,520.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,239.21 : 439,181.39 = 175,010.15 : x
  2. Step 2: Convert to fraction form
    318,239.21/439,181.39 = 175,010.15/x
  3. Step 3: Cross multiply
    318,239.21x = 439,181.39 × 175,010.15
  4. Step 4: Simplify right side
    318,239.21x = 76,861,200,941.11
  5. Step 5: Solve for x
    x = 76,861,200,941.11/318,239.21
  6. Step 6: Final answer
    x = 241,520.21

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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.