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Finding the Fourth Proportional to 255,298.83, 382,919.04 and 68,324.91

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Solution

The fourth proportional to 255,298.83, 382,919.04 and 68,324.91 is: 102,479.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,298.83 : 382,919.04 = 68,324.91 : x
  2. Step 2: Convert to fraction form
    255,298.83/382,919.04 = 68,324.91/x
  3. Step 3: Cross multiply
    255,298.83x = 382,919.04 × 68,324.91
  4. Step 4: Simplify right side
    255,298.83x = 26,162,908,945.29
  5. Step 5: Solve for x
    x = 26,162,908,945.29/255,298.83
  6. Step 6: Final answer
    x = 102,479.55

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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.