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Finding the Fourth Proportional to 426,108.44, 588,242.54 and 265,015.42

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Solution

The fourth proportional to 426,108.44, 588,242.54 and 265,015.42 is: 365,853.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,108.44 : 588,242.54 = 265,015.42 : x
  2. Step 2: Convert to fraction form
    426,108.44/588,242.54 = 265,015.42/x
  3. Step 3: Cross multiply
    426,108.44x = 588,242.54 × 265,015.42
  4. Step 4: Simplify right side
    426,108.44x = 155,893,343,799.97
  5. Step 5: Solve for x
    x = 155,893,343,799.97/426,108.44
  6. Step 6: Final answer
    x = 365,853.69

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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.