Home / 208,077.86-312,116.49-50,306.47

Finding the Fourth Proportional to 208,077.86, 312,116.49 and 50,306.47

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Solution

The fourth proportional to 208,077.86, 312,116.49 and 50,306.47 is: 75,459.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,077.86 : 312,116.49 = 50,306.47 : x
  2. Step 2: Convert to fraction form
    208,077.86/312,116.49 = 50,306.47/x
  3. Step 3: Cross multiply
    208,077.86x = 312,116.49 × 50,306.47
  4. Step 4: Simplify right side
    208,077.86x = 15,701,478,060.40
  5. Step 5: Solve for x
    x = 15,701,478,060.40/208,077.86
  6. Step 6: Final answer
    x = 75,459.63

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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.