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Finding the Fourth Proportional to 201,924.15, 302,780.12 and 89,555.78

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Solution

The fourth proportional to 201,924.15, 302,780.12 and 89,555.78 is: 134,286.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,924.15 : 302,780.12 = 89,555.78 : x
  2. Step 2: Convert to fraction form
    201,924.15/302,780.12 = 89,555.78/x
  3. Step 3: Cross multiply
    201,924.15x = 302,780.12 × 89,555.78
  4. Step 4: Simplify right side
    201,924.15x = 27,115,707,853.41
  5. Step 5: Solve for x
    x = 27,115,707,853.41/201,924.15
  6. Step 6: Final answer
    x = 134,286.60

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1.5x scale

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.