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Finding the Fourth Proportional to 270,190.98, 372,866.32 and 147,686.86

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Solution

The fourth proportional to 270,190.98, 372,866.32 and 147,686.86 is: 203,809.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,190.98 : 372,866.32 = 147,686.86 : x
  2. Step 2: Convert to fraction form
    270,190.98/372,866.32 = 147,686.86/x
  3. Step 3: Cross multiply
    270,190.98x = 372,866.32 × 147,686.86
  4. Step 4: Simplify right side
    270,190.98x = 55,067,456,000.56
  5. Step 5: Solve for x
    x = 55,067,456,000.56/270,190.98
  6. Step 6: Final answer
    x = 203,809.38

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1.5x scale

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.