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Finding the Fourth Proportional to 227,674.88, 341,752.80 and 127,920.32

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Solution

The fourth proportional to 227,674.88, 341,752.80 and 127,920.32 is: 192,015.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,674.88 : 341,752.80 = 127,920.32 : x
  2. Step 2: Convert to fraction form
    227,674.88/341,752.80 = 127,920.32/x
  3. Step 3: Cross multiply
    227,674.88x = 341,752.80 × 127,920.32
  4. Step 4: Simplify right side
    227,674.88x = 43,717,127,536.90
  5. Step 5: Solve for x
    x = 43,717,127,536.90/227,674.88
  6. Step 6: Final answer
    x = 192,015.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.