Home / 268,881.09-403,570.58-135,854.97

Finding the Fourth Proportional to 268,881.09, 403,570.58 and 135,854.97

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Solution

The fourth proportional to 268,881.09, 403,570.58 and 135,854.97 is: 203,908.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,881.09 : 403,570.58 = 135,854.97 : x
  2. Step 2: Convert to fraction form
    268,881.09/403,570.58 = 135,854.97/x
  3. Step 3: Cross multiply
    268,881.09x = 403,570.58 × 135,854.97
  4. Step 4: Simplify right side
    268,881.09x = 54,827,068,359.51
  5. Step 5: Solve for x
    x = 54,827,068,359.51/268,881.09
  6. Step 6: Final answer
    x = 203,908.23

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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.