Home / 208,283.28-312,424.92-50,511.48

Finding the Fourth Proportional to 208,283.28, 312,424.92 and 50,511.48

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Solution

The fourth proportional to 208,283.28, 312,424.92 and 50,511.48 is: 75,767.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,283.28 : 312,424.92 = 50,511.48 : x
  2. Step 2: Convert to fraction form
    208,283.28/312,424.92 = 50,511.48/x
  3. Step 3: Cross multiply
    208,283.28x = 312,424.92 × 50,511.48
  4. Step 4: Simplify right side
    208,283.28x = 15,781,045,098.08
  5. Step 5: Solve for x
    x = 15,781,045,098.08/208,283.28
  6. Step 6: Final answer
    x = 75,767.22

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1.5x scale

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.