Home / 268,825.61-403,239.47-108,904.57

Finding the Fourth Proportional to 268,825.61, 403,239.47 and 108,904.57

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Solution

The fourth proportional to 268,825.61, 403,239.47 and 108,904.57 is: 163,357.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,825.61 : 403,239.47 = 108,904.57 : x
  2. Step 2: Convert to fraction form
    268,825.61/403,239.47 = 108,904.57/x
  3. Step 3: Cross multiply
    268,825.61x = 403,239.47 × 108,904.57
  4. Step 4: Simplify right side
    268,825.61x = 43,914,619,071.18
  5. Step 5: Solve for x
    x = 43,914,619,071.18/268,825.61
  6. Step 6: Final answer
    x = 163,357.28

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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.