Home / 290,252.14-435,266.37-112,735.78

Finding the Fourth Proportional to 290,252.14, 435,266.37 and 112,735.78

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Solution

The fourth proportional to 290,252.14, 435,266.37 and 112,735.78 is: 169,060.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,252.14 : 435,266.37 = 112,735.78 : x
  2. Step 2: Convert to fraction form
    290,252.14/435,266.37 = 112,735.78/x
  3. Step 3: Cross multiply
    290,252.14x = 435,266.37 × 112,735.78
  4. Step 4: Simplify right side
    290,252.14x = 49,070,093,729.72
  5. Step 5: Solve for x
    x = 49,070,093,729.72/290,252.14
  6. Step 6: Final answer
    x = 169,060.23

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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.