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Finding the Fourth Proportional to 236,107.52, 325,828.80 and 128,677.50

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Solution

The fourth proportional to 236,107.52, 325,828.80 and 128,677.50 is: 177,575.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,107.52 : 325,828.80 = 128,677.50 : x
  2. Step 2: Convert to fraction form
    236,107.52/325,828.80 = 128,677.50/x
  3. Step 3: Cross multiply
    236,107.52x = 325,828.80 × 128,677.50
  4. Step 4: Simplify right side
    236,107.52x = 41,926,835,412
  5. Step 5: Solve for x
    x = 41,926,835,412/236,107.52
  6. Step 6: Final answer
    x = 177,575.18

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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.