Home / 208,191.66-312,288.30-50,420.28

Finding the Fourth Proportional to 208,191.66, 312,288.30 and 50,420.28

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Solution

The fourth proportional to 208,191.66, 312,288.30 and 50,420.28 is: 75,630.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,191.66 : 312,288.30 = 50,420.28 : x
  2. Step 2: Convert to fraction form
    208,191.66/312,288.30 = 50,420.28/x
  3. Step 3: Cross multiply
    208,191.66x = 312,288.30 × 50,420.28
  4. Step 4: Simplify right side
    208,191.66x = 15,745,663,526.72
  5. Step 5: Solve for x
    x = 15,745,663,526.72/208,191.66
  6. Step 6: Final answer
    x = 75,630.62

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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.