Home / 305,435.03-457,968.47-136,924.85

Finding the Fourth Proportional to 305,435.03, 457,968.47 and 136,924.85

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Solution

The fourth proportional to 305,435.03, 457,968.47 and 136,924.85 is: 205,304.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,435.03 : 457,968.47 = 136,924.85 : x
  2. Step 2: Convert to fraction form
    305,435.03/457,968.47 = 136,924.85/x
  3. Step 3: Cross multiply
    305,435.03x = 457,968.47 × 136,924.85
  4. Step 4: Simplify right side
    305,435.03x = 62,707,264,519.78
  5. Step 5: Solve for x
    x = 62,707,264,519.78/305,435.03
  6. Step 6: Final answer
    x = 205,304.76

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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.