Home / 457,254.09-685,939.46-141,729.93

Finding the Fourth Proportional to 457,254.09, 685,939.46 and 141,729.93

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Solution

The fourth proportional to 457,254.09, 685,939.46 and 141,729.93 is: 212,612.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,254.09 : 685,939.46 = 141,729.93 : x
  2. Step 2: Convert to fraction form
    457,254.09/685,939.46 = 141,729.93/x
  3. Step 3: Cross multiply
    457,254.09x = 685,939.46 × 141,729.93
  4. Step 4: Simplify right side
    457,254.09x = 97,218,150,941.39
  5. Step 5: Solve for x
    x = 97,218,150,941.39/457,254.09
  6. Step 6: Final answer
    x = 212,612.97

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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.