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Finding the Fourth Proportional to 268,855.86, 371,008.35 and 147,994.65

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Solution

The fourth proportional to 268,855.86, 371,008.35 and 147,994.65 is: 204,225.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,855.86 : 371,008.35 = 147,994.65 : x
  2. Step 2: Convert to fraction form
    268,855.86/371,008.35 = 147,994.65/x
  3. Step 3: Cross multiply
    268,855.86x = 371,008.35 × 147,994.65
  4. Step 4: Simplify right side
    268,855.86x = 54,907,250,905.33
  5. Step 5: Solve for x
    x = 54,907,250,905.33/268,855.86
  6. Step 6: Final answer
    x = 204,225.61

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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.