Home / 442,974.27-611,272.78-249,371.98

Finding the Fourth Proportional to 442,974.27, 611,272.78 and 249,371.98

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Solution

The fourth proportional to 442,974.27, 611,272.78 and 249,371.98 is: 344,115.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,974.27 : 611,272.78 = 249,371.98 : x
  2. Step 2: Convert to fraction form
    442,974.27/611,272.78 = 249,371.98/x
  3. Step 3: Cross multiply
    442,974.27x = 611,272.78 × 249,371.98
  4. Step 4: Simplify right side
    442,974.27x = 152,434,303,468.70
  5. Step 5: Solve for x
    x = 152,434,303,468.70/442,974.27
  6. Step 6: Final answer
    x = 344,115.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.