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Finding the Fourth Proportional to 270,079.82, 372,714.07 and 149,223.89

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Solution

The fourth proportional to 270,079.82, 372,714.07 and 149,223.89 is: 205,931.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,079.82 : 372,714.07 = 149,223.89 : x
  2. Step 2: Convert to fraction form
    270,079.82/372,714.07 = 149,223.89/x
  3. Step 3: Cross multiply
    270,079.82x = 372,714.07 × 149,223.89
  4. Step 4: Simplify right side
    270,079.82x = 55,617,842,637.01
  5. Step 5: Solve for x
    x = 55,617,842,637.01/270,079.82
  6. Step 6: Final answer
    x = 205,931.13

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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.