Home / 254,967.28-382,450.40-121,442.56

Finding the Fourth Proportional to 254,967.28, 382,450.40 and 121,442.56

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Solution

The fourth proportional to 254,967.28, 382,450.40 and 121,442.56 is: 182,163.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,967.28 : 382,450.40 = 121,442.56 : x
  2. Step 2: Convert to fraction form
    254,967.28/382,450.40 = 121,442.56/x
  3. Step 3: Cross multiply
    254,967.28x = 382,450.40 × 121,442.56
  4. Step 4: Simplify right side
    254,967.28x = 46,445,755,649.02
  5. Step 5: Solve for x
    x = 46,445,755,649.02/254,967.28
  6. Step 6: Final answer
    x = 182,163.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.