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Finding the Fourth Proportional to 275,951.70, 380,529.81 and 230,612.76

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Solution

The fourth proportional to 275,951.70, 380,529.81 and 230,612.76 is: 318,008.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,951.70 : 380,529.81 = 230,612.76 : x
  2. Step 2: Convert to fraction form
    275,951.70/380,529.81 = 230,612.76/x
  3. Step 3: Cross multiply
    275,951.70x = 380,529.81 × 230,612.76
  4. Step 4: Simplify right side
    275,951.70x = 87,755,029,746.38
  5. Step 5: Solve for x
    x = 87,755,029,746.38/275,951.70
  6. Step 6: Final answer
    x = 318,008.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.