Home / 318,180.02-439,096.75-172,995.57

Finding the Fourth Proportional to 318,180.02, 439,096.75 and 172,995.57

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Solution

The fourth proportional to 318,180.02, 439,096.75 and 172,995.57 is: 238,738.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,180.02 : 439,096.75 = 172,995.57 : x
  2. Step 2: Convert to fraction form
    318,180.02/439,096.75 = 172,995.57/x
  3. Step 3: Cross multiply
    318,180.02x = 439,096.75 × 172,995.57
  4. Step 4: Simplify right side
    318,180.02x = 75,961,793,353.87
  5. Step 5: Solve for x
    x = 75,961,793,353.87/318,180.02
  6. Step 6: Final answer
    x = 238,738.41

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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.