Home / 305,040.75-457,628.13-125,127.24

Finding the Fourth Proportional to 305,040.75, 457,628.13 and 125,127.24

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Solution

The fourth proportional to 305,040.75, 457,628.13 and 125,127.24 is: 187,718.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,040.75 : 457,628.13 = 125,127.24 : x
  2. Step 2: Convert to fraction form
    305,040.75/457,628.13 = 125,127.24/x
  3. Step 3: Cross multiply
    305,040.75x = 457,628.13 × 125,127.24
  4. Step 4: Simplify right side
    305,040.75x = 57,261,744,853.26
  5. Step 5: Solve for x
    x = 57,261,744,853.26/305,040.75
  6. Step 6: Final answer
    x = 187,718.35

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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.