Home / 252,817.81-348,882.49-145,385.48

Finding the Fourth Proportional to 252,817.81, 348,882.49 and 145,385.48

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Solution

The fourth proportional to 252,817.81, 348,882.49 and 145,385.48 is: 200,628.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,817.81 : 348,882.49 = 145,385.48 : x
  2. Step 2: Convert to fraction form
    252,817.81/348,882.49 = 145,385.48/x
  3. Step 3: Cross multiply
    252,817.81x = 348,882.49 × 145,385.48
  4. Step 4: Simplify right side
    252,817.81x = 50,722,449,326.18
  5. Step 5: Solve for x
    x = 50,722,449,326.18/252,817.81
  6. Step 6: Final answer
    x = 200,628.47

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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.