Home / 243,280.24-335,723.56-135,852.16

Finding the Fourth Proportional to 243,280.24, 335,723.56 and 135,852.16

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Solution

The fourth proportional to 243,280.24, 335,723.56 and 135,852.16 is: 187,474.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,280.24 : 335,723.56 = 135,852.16 : x
  2. Step 2: Convert to fraction form
    243,280.24/335,723.56 = 135,852.16/x
  3. Step 3: Cross multiply
    243,280.24x = 335,723.56 × 135,852.16
  4. Step 4: Simplify right side
    243,280.24x = 45,608,770,788.89
  5. Step 5: Solve for x
    x = 45,608,770,788.89/243,280.24
  6. Step 6: Final answer
    x = 187,474.21

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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.