Home / 326,869.97-490,336.81-127,206.59

Finding the Fourth Proportional to 326,869.97, 490,336.81 and 127,206.59

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Solution

The fourth proportional to 326,869.97, 490,336.81 and 127,206.59 is: 190,822.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,869.97 : 490,336.81 = 127,206.59 : x
  2. Step 2: Convert to fraction form
    326,869.97/490,336.81 = 127,206.59/x
  3. Step 3: Cross multiply
    326,869.97x = 490,336.81 × 127,206.59
  4. Step 4: Simplify right side
    326,869.97x = 62,374,070,781.88
  5. Step 5: Solve for x
    x = 62,374,070,781.88/326,869.97
  6. Step 6: Final answer
    x = 190,822.28

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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.