Home / 457,143.32-685,760.10-157,584.46

Finding the Fourth Proportional to 457,143.32, 685,760.10 and 157,584.46

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Solution

The fourth proportional to 457,143.32, 685,760.10 and 157,584.46 is: 236,392.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,143.32 : 685,760.10 = 157,584.46 : x
  2. Step 2: Convert to fraction form
    457,143.32/685,760.10 = 157,584.46/x
  3. Step 3: Cross multiply
    457,143.32x = 685,760.10 × 157,584.46
  4. Step 4: Simplify right side
    457,143.32x = 108,065,135,048.05
  5. Step 5: Solve for x
    x = 108,065,135,048.05/457,143.32
  6. Step 6: Final answer
    x = 236,392.24

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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.