Home / 318,224.22-439,134.39-174,990.30

Finding the Fourth Proportional to 318,224.22, 439,134.39 and 174,990.30

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Solution

The fourth proportional to 318,224.22, 439,134.39 and 174,990.30 is: 241,478.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,224.22 : 439,134.39 = 174,990.30 : x
  2. Step 2: Convert to fraction form
    318,224.22/439,134.39 = 174,990.30/x
  3. Step 3: Cross multiply
    318,224.22x = 439,134.39 × 174,990.30
  4. Step 4: Simplify right side
    318,224.22x = 76,844,258,646.42
  5. Step 5: Solve for x
    x = 76,844,258,646.42/318,224.22
  6. Step 6: Final answer
    x = 241,478.35

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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.