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Finding the Fourth Proportional to 275,552.16, 380,216.70 and 162,359.52

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Solution

The fourth proportional to 275,552.16, 380,216.70 and 162,359.52 is: 224,029.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,552.16 : 380,216.70 = 162,359.52 : x
  2. Step 2: Convert to fraction form
    275,552.16/380,216.70 = 162,359.52/x
  3. Step 3: Cross multiply
    275,552.16x = 380,216.70 × 162,359.52
  4. Step 4: Simplify right side
    275,552.16x = 61,731,800,907.98
  5. Step 5: Solve for x
    x = 61,731,800,907.98/275,552.16
  6. Step 6: Final answer
    x = 224,029.46

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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.