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Finding the Fourth Proportional to 270,097.72, 372,728.73 and 149,239.24

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Solution

The fourth proportional to 270,097.72, 372,728.73 and 149,239.24 is: 205,946.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,097.72 : 372,728.73 = 149,239.24 : x
  2. Step 2: Convert to fraction form
    270,097.72/372,728.73 = 149,239.24/x
  3. Step 3: Cross multiply
    270,097.72x = 372,728.73 × 149,239.24
  4. Step 4: Simplify right side
    270,097.72x = 55,625,752,391.37
  5. Step 5: Solve for x
    x = 55,625,752,391.37/270,097.72
  6. Step 6: Final answer
    x = 205,946.77

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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.