Home / 283,266.09-390,857.49-170,091.27

Finding the Fourth Proportional to 283,266.09, 390,857.49 and 170,091.27

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Solution

The fourth proportional to 283,266.09, 390,857.49 and 170,091.27 is: 234,696.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,266.09 : 390,857.49 = 170,091.27 : x
  2. Step 2: Convert to fraction form
    283,266.09/390,857.49 = 170,091.27/x
  3. Step 3: Cross multiply
    283,266.09x = 390,857.49 × 170,091.27
  4. Step 4: Simplify right side
    283,266.09x = 66,481,446,863.11
  5. Step 5: Solve for x
    x = 66,481,446,863.11/283,266.09
  6. Step 6: Final answer
    x = 234,696.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.