Home / 270,156.39-372,814.14-149,304.66

Finding the Fourth Proportional to 270,156.39, 372,814.14 and 149,304.66

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Solution

The fourth proportional to 270,156.39, 372,814.14 and 149,304.66 is: 206,039.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,156.39 : 372,814.14 = 149,304.66 : x
  2. Step 2: Convert to fraction form
    270,156.39/372,814.14 = 149,304.66/x
  3. Step 3: Cross multiply
    270,156.39x = 372,814.14 × 149,304.66
  4. Step 4: Simplify right side
    270,156.39x = 55,662,888,415.89
  5. Step 5: Solve for x
    x = 55,662,888,415.89/270,156.39
  6. Step 6: Final answer
    x = 206,039.50

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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.