Home / 208,204.11-312,305.36-50,432.31

Finding the Fourth Proportional to 208,204.11, 312,305.36 and 50,432.31

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Solution

The fourth proportional to 208,204.11, 312,305.36 and 50,432.31 is: 75,648.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,204.11 : 312,305.36 = 50,432.31 : x
  2. Step 2: Convert to fraction form
    208,204.11/312,305.36 = 50,432.31/x
  3. Step 3: Cross multiply
    208,204.11x = 312,305.36 × 50,432.31
  4. Step 4: Simplify right side
    208,204.11x = 15,750,280,478.02
  5. Step 5: Solve for x
    x = 15,750,280,478.02/208,204.11
  6. Step 6: Final answer
    x = 75,648.27

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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.