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Finding the Fourth Proportional to 475,316.65, 655,936.97 and 274,112.65

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Solution

The fourth proportional to 475,316.65, 655,936.97 and 274,112.65 is: 378,275.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,316.65 : 655,936.97 = 274,112.65 : x
  2. Step 2: Convert to fraction form
    475,316.65/655,936.97 = 274,112.65/x
  3. Step 3: Cross multiply
    475,316.65x = 655,936.97 × 274,112.65
  4. Step 4: Simplify right side
    475,316.65x = 179,800,621,382.50
  5. Step 5: Solve for x
    x = 179,800,621,382.50/475,316.65
  6. Step 6: Final answer
    x = 378,275.45

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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.