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Finding the Fourth Proportional to 245,330.75, 367,996.13 and 79,118.75

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Solution

The fourth proportional to 245,330.75, 367,996.13 and 79,118.75 is: 118,678.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,330.75 : 367,996.13 = 79,118.75 : x
  2. Step 2: Convert to fraction form
    245,330.75/367,996.13 = 79,118.75/x
  3. Step 3: Cross multiply
    245,330.75x = 367,996.13 × 79,118.75
  4. Step 4: Simplify right side
    245,330.75x = 29,115,393,810.44
  5. Step 5: Solve for x
    x = 29,115,393,810.44/245,330.75
  6. Step 6: Final answer
    x = 118,678.13

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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.