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Finding the Fourth Proportional to 255,505.04, 383,228.40 and 68,502

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Solution

The fourth proportional to 255,505.04, 383,228.40 and 68,502 is: 102,745.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,505.04 : 383,228.40 = 68,502 : x
  2. Step 2: Convert to fraction form
    255,505.04/383,228.40 = 68,502/x
  3. Step 3: Cross multiply
    255,505.04x = 383,228.40 × 68,502
  4. Step 4: Simplify right side
    255,505.04x = 26,251,911,856.80
  5. Step 5: Solve for x
    x = 26,251,911,856.80/255,505.04
  6. Step 6: Final answer
    x = 102,745.18

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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.