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Finding the Fourth Proportional to 238,259.84, 328,759.61 and 136,268.88

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Solution

The fourth proportional to 238,259.84, 328,759.61 and 136,268.88 is: 188,028.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,259.84 : 328,759.61 = 136,268.88 : x
  2. Step 2: Convert to fraction form
    238,259.84/328,759.61 = 136,268.88/x
  3. Step 3: Cross multiply
    238,259.84x = 328,759.61 × 136,268.88
  4. Step 4: Simplify right side
    238,259.84x = 44,799,703,162.59
  5. Step 5: Solve for x
    x = 44,799,703,162.59/238,259.84
  6. Step 6: Final answer
    x = 188,028.77

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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.