Home / 457,095.96-685,727.46-141,531.48

Finding the Fourth Proportional to 457,095.96, 685,727.46 and 141,531.48

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Solution

The fourth proportional to 457,095.96, 685,727.46 and 141,531.48 is: 212,323.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,095.96 : 685,727.46 = 141,531.48 : x
  2. Step 2: Convert to fraction form
    457,095.96/685,727.46 = 141,531.48/x
  3. Step 3: Cross multiply
    457,095.96x = 685,727.46 × 141,531.48
  4. Step 4: Simplify right side
    457,095.96x = 97,052,022,290.44
  5. Step 5: Solve for x
    x = 97,052,022,290.44/457,095.96
  6. Step 6: Final answer
    x = 212,323.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.