Home / 318,113.12-438,984.97-174,872.22

Finding the Fourth Proportional to 318,113.12, 438,984.97 and 174,872.22

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Solution

The fourth proportional to 318,113.12, 438,984.97 and 174,872.22 is: 241,317.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,113.12 : 438,984.97 = 174,872.22 : x
  2. Step 2: Convert to fraction form
    318,113.12/438,984.97 = 174,872.22/x
  3. Step 3: Cross multiply
    318,113.12x = 438,984.97 × 174,872.22
  4. Step 4: Simplify right side
    318,113.12x = 76,766,274,167.16
  5. Step 5: Solve for x
    x = 76,766,274,167.16/318,113.12
  6. Step 6: Final answer
    x = 241,317.53

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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.