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Finding the Fourth Proportional to 270,302.27, 372,615.59 and 231,876.68

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Solution

The fourth proportional to 270,302.27, 372,615.59 and 231,876.68 is: 319,645.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,302.27 : 372,615.59 = 231,876.68 : x
  2. Step 2: Convert to fraction form
    270,302.27/372,615.59 = 231,876.68/x
  3. Step 3: Cross multiply
    270,302.27x = 372,615.59 × 231,876.68
  4. Step 4: Simplify right side
    270,302.27x = 86,400,864,642.06
  5. Step 5: Solve for x
    x = 86,400,864,642.06/270,302.27
  6. Step 6: Final answer
    x = 319,645.36

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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.