Home / 305,447.28-457,986.84-136,937.13

Finding the Fourth Proportional to 305,447.28, 457,986.84 and 136,937.13

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Solution

The fourth proportional to 305,447.28, 457,986.84 and 136,937.13 is: 205,323.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,447.28 : 457,986.84 = 136,937.13 : x
  2. Step 2: Convert to fraction form
    305,447.28/457,986.84 = 136,937.13/x
  3. Step 3: Cross multiply
    305,447.28x = 457,986.84 × 136,937.13
  4. Step 4: Simplify right side
    305,447.28x = 62,715,403,447.37
  5. Step 5: Solve for x
    x = 62,715,403,447.37/305,447.28
  6. Step 6: Final answer
    x = 205,323.17

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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.