Home / 268,973.25-402,336.19-189,005.59

Finding the Fourth Proportional to 268,973.25, 402,336.19 and 189,005.59

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Solution

The fourth proportional to 268,973.25, 402,336.19 and 189,005.59 is: 282,718.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,973.25 : 402,336.19 = 189,005.59 : x
  2. Step 2: Convert to fraction form
    268,973.25/402,336.19 = 189,005.59/x
  3. Step 3: Cross multiply
    268,973.25x = 402,336.19 × 189,005.59
  4. Step 4: Simplify right side
    268,973.25x = 76,043,788,969.30
  5. Step 5: Solve for x
    x = 76,043,788,969.30/268,973.25
  6. Step 6: Final answer
    x = 282,718.78

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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.