Home / 457,143.21-685,759.88-157,584.35

Finding the Fourth Proportional to 457,143.21, 685,759.88 and 157,584.35

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Solution

The fourth proportional to 457,143.21, 685,759.88 and 157,584.35 is: 236,392.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,143.21 : 685,759.88 = 157,584.35 : x
  2. Step 2: Convert to fraction form
    457,143.21/685,759.88 = 157,584.35/x
  3. Step 3: Cross multiply
    457,143.21x = 685,759.88 × 157,584.35
  4. Step 4: Simplify right side
    457,143.21x = 108,065,024,157.96
  5. Step 5: Solve for x
    x = 108,065,024,157.96/457,143.21
  6. Step 6: Final answer
    x = 236,392.06

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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.