Home / 495,550.37-743,316.78-187,861.57

Finding the Fourth Proportional to 495,550.37, 743,316.78 and 187,861.57

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Solution

The fourth proportional to 495,550.37, 743,316.78 and 187,861.57 is: 281,789.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,550.37 : 743,316.78 = 187,861.57 : x
  2. Step 2: Convert to fraction form
    495,550.37/743,316.78 = 187,861.57/x
  3. Step 3: Cross multiply
    495,550.37x = 743,316.78 × 187,861.57
  4. Step 4: Simplify right side
    495,550.37x = 139,640,657,298.15
  5. Step 5: Solve for x
    x = 139,640,657,298.15/495,550.37
  6. Step 6: Final answer
    x = 281,789.03

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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.