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Finding the Fourth Proportional to 227,818.86, 314,388.77 and 125,851.32

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Solution

The fourth proportional to 227,818.86, 314,388.77 and 125,851.32 is: 173,674.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,818.86 : 314,388.77 = 125,851.32 : x
  2. Step 2: Convert to fraction form
    227,818.86/314,388.77 = 125,851.32/x
  3. Step 3: Cross multiply
    227,818.86x = 314,388.77 × 125,851.32
  4. Step 4: Simplify right side
    227,818.86x = 39,566,241,697.68
  5. Step 5: Solve for x
    x = 39,566,241,697.68/227,818.86
  6. Step 6: Final answer
    x = 173,674.13

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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.