Home / 318,211.92-439,116.12-174,968.28

Finding the Fourth Proportional to 318,211.92, 439,116.12 and 174,968.28

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Solution

The fourth proportional to 318,211.92, 439,116.12 and 174,968.28 is: 241,447.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,211.92 : 439,116.12 = 174,968.28 : x
  2. Step 2: Convert to fraction form
    318,211.92/439,116.12 = 174,968.28/x
  3. Step 3: Cross multiply
    318,211.92x = 439,116.12 × 174,968.28
  4. Step 4: Simplify right side
    318,211.92x = 76,831,392,236.67
  5. Step 5: Solve for x
    x = 76,831,392,236.67/318,211.92
  6. Step 6: Final answer
    x = 241,447.25

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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.