Home / 305,400.24-457,808.40-136,825.92

Finding the Fourth Proportional to 305,400.24, 457,808.40 and 136,825.92

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Solution

The fourth proportional to 305,400.24, 457,808.40 and 136,825.92 is: 205,108.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,400.24 : 457,808.40 = 136,825.92 : x
  2. Step 2: Convert to fraction form
    305,400.24/457,808.40 = 136,825.92/x
  3. Step 3: Cross multiply
    305,400.24x = 457,808.40 × 136,825.92
  4. Step 4: Simplify right side
    305,400.24x = 62,640,055,513.73
  5. Step 5: Solve for x
    x = 62,640,055,513.73/305,400.24
  6. Step 6: Final answer
    x = 205,108.08

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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.