Home / 753,241.54-1,129,861.95-192,275.86

Finding the Fourth Proportional to 753,241.54, 1,129,861.95 and 192,275.86

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Solution

The fourth proportional to 753,241.54, 1,129,861.95 and 192,275.86 is: 288,413.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,241.54 : 1,129,861.95 = 192,275.86 : x
  2. Step 2: Convert to fraction form
    753,241.54/1,129,861.95 = 192,275.86/x
  3. Step 3: Cross multiply
    753,241.54x = 1,129,861.95 × 192,275.86
  4. Step 4: Simplify right side
    753,241.54x = 217,245,178,117.53
  5. Step 5: Solve for x
    x = 217,245,178,117.53/753,241.54
  6. Step 6: Final answer
    x = 288,413.70

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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.