Home / 252,768.12-348,983.88-157,313.40

Finding the Fourth Proportional to 252,768.12, 348,983.88 and 157,313.40

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Solution

The fourth proportional to 252,768.12, 348,983.88 and 157,313.40 is: 217,194.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,768.12 : 348,983.88 = 157,313.40 : x
  2. Step 2: Convert to fraction form
    252,768.12/348,983.88 = 157,313.40/x
  3. Step 3: Cross multiply
    252,768.12x = 348,983.88 × 157,313.40
  4. Step 4: Simplify right side
    252,768.12x = 54,899,840,707.99
  5. Step 5: Solve for x
    x = 54,899,840,707.99/252,768.12
  6. Step 6: Final answer
    x = 217,194.48

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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.