Home / 252,977.28-349,113.24-138,260.79

Finding the Fourth Proportional to 252,977.28, 349,113.24 and 138,260.79

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Solution

The fourth proportional to 252,977.28, 349,113.24 and 138,260.79 is: 190,802.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,977.28 : 349,113.24 = 138,260.79 : x
  2. Step 2: Convert to fraction form
    252,977.28/349,113.24 = 138,260.79/x
  3. Step 3: Cross multiply
    252,977.28x = 349,113.24 × 138,260.79
  4. Step 4: Simplify right side
    252,977.28x = 48,268,672,361.86
  5. Step 5: Solve for x
    x = 48,268,672,361.86/252,977.28
  6. Step 6: Final answer
    x = 190,802.40

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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.