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Finding the Fourth Proportional to 255,303.20, 382,954.80 and 68,314.70

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Solution

The fourth proportional to 255,303.20, 382,954.80 and 68,314.70 is: 102,472.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,303.20 : 382,954.80 = 68,314.70 : x
  2. Step 2: Convert to fraction form
    255,303.20/382,954.80 = 68,314.70/x
  3. Step 3: Cross multiply
    255,303.20x = 382,954.80 × 68,314.70
  4. Step 4: Simplify right side
    255,303.20x = 26,161,442,275.56
  5. Step 5: Solve for x
    x = 26,161,442,275.56/255,303.20
  6. Step 6: Final answer
    x = 102,472.05

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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.