Home / 252,743.28-348,785.64-145,334.40

Finding the Fourth Proportional to 252,743.28, 348,785.64 and 145,334.40

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Solution

The fourth proportional to 252,743.28, 348,785.64 and 145,334.40 is: 200,561.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,743.28 : 348,785.64 = 145,334.40 : x
  2. Step 2: Convert to fraction form
    252,743.28/348,785.64 = 145,334.40/x
  3. Step 3: Cross multiply
    252,743.28x = 348,785.64 × 145,334.40
  4. Step 4: Simplify right side
    252,743.28x = 50,690,551,718.02
  5. Step 5: Solve for x
    x = 50,690,551,718.02/252,743.28
  6. Step 6: Final answer
    x = 200,561.42

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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.