Home / 243,020.16-335,351.88-152,372.25

Finding the Fourth Proportional to 243,020.16, 335,351.88 and 152,372.25

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Solution

The fourth proportional to 243,020.16, 335,351.88 and 152,372.25 is: 210,263.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,020.16 : 335,351.88 = 152,372.25 : x
  2. Step 2: Convert to fraction form
    243,020.16/335,351.88 = 152,372.25/x
  3. Step 3: Cross multiply
    243,020.16x = 335,351.88 × 152,372.25
  4. Step 4: Simplify right side
    243,020.16x = 51,098,320,497.33
  5. Step 5: Solve for x
    x = 51,098,320,497.33/243,020.16
  6. Step 6: Final answer
    x = 210,263.71

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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.