Home / 318,114.12-438,986.35-174,873.22

Finding the Fourth Proportional to 318,114.12, 438,986.35 and 174,873.22

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Solution

The fourth proportional to 318,114.12, 438,986.35 and 174,873.22 is: 241,318.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,114.12 : 438,986.35 = 174,873.22 : x
  2. Step 2: Convert to fraction form
    318,114.12/438,986.35 = 174,873.22/x
  3. Step 3: Cross multiply
    318,114.12x = 438,986.35 × 174,873.22
  4. Step 4: Simplify right side
    318,114.12x = 76,766,956,560.55
  5. Step 5: Solve for x
    x = 76,766,956,560.55/318,114.12
  6. Step 6: Final answer
    x = 241,318.92

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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.