Home / 452,928.12-679,394.61-137,385.33

Finding the Fourth Proportional to 452,928.12, 679,394.61 and 137,385.33

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Solution

The fourth proportional to 452,928.12, 679,394.61 and 137,385.33 is: 206,078.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,928.12 : 679,394.61 = 137,385.33 : x
  2. Step 2: Convert to fraction form
    452,928.12/679,394.61 = 137,385.33/x
  3. Step 3: Cross multiply
    452,928.12x = 679,394.61 × 137,385.33
  4. Step 4: Simplify right side
    452,928.12x = 93,338,852,695.07
  5. Step 5: Solve for x
    x = 93,338,852,695.07/452,928.12
  6. Step 6: Final answer
    x = 206,078.73

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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.