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Finding the Fourth Proportional to 645,052.80, 967,233.60 and 270,652.80

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Solution

The fourth proportional to 645,052.80, 967,233.60 and 270,652.80 is: 405,834.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,052.80 : 967,233.60 = 270,652.80 : x
  2. Step 2: Convert to fraction form
    645,052.80/967,233.60 = 270,652.80/x
  3. Step 3: Cross multiply
    645,052.80x = 967,233.60 × 270,652.80
  4. Step 4: Simplify right side
    645,052.80x = 261,784,482,094.08
  5. Step 5: Solve for x
    x = 261,784,482,094.08/645,052.80
  6. Step 6: Final answer
    x = 405,834.19

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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.