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Finding the Fourth Proportional to 268,488.96, 370,524.28 and 147,639.44

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Solution

The fourth proportional to 268,488.96, 370,524.28 and 147,639.44 is: 203,747.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,488.96 : 370,524.28 = 147,639.44 : x
  2. Step 2: Convert to fraction form
    268,488.96/370,524.28 = 147,639.44/x
  3. Step 3: Cross multiply
    268,488.96x = 370,524.28 × 147,639.44
  4. Step 4: Simplify right side
    268,488.96x = 54,703,997,205.60
  5. Step 5: Solve for x
    x = 54,703,997,205.60/268,488.96
  6. Step 6: Final answer
    x = 203,747.66

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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.