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Finding the Fourth Proportional to 270,042.49, 372,656.86 and 149,191.57

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Solution

The fourth proportional to 270,042.49, 372,656.86 and 149,191.57 is: 205,883.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,042.49 : 372,656.86 = 149,191.57 : x
  2. Step 2: Convert to fraction form
    270,042.49/372,656.86 = 149,191.57/x
  3. Step 3: Cross multiply
    270,042.49x = 372,656.86 × 149,191.57
  4. Step 4: Simplify right side
    270,042.49x = 55,597,262,014.67
  5. Step 5: Solve for x
    x = 55,597,262,014.67/270,042.49
  6. Step 6: Final answer
    x = 205,883.39

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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.