Home / 290,715.75-401,219.69-166,548.52

Finding the Fourth Proportional to 290,715.75, 401,219.69 and 166,548.52

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Solution

The fourth proportional to 290,715.75, 401,219.69 and 166,548.52 is: 229,855.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,715.75 : 401,219.69 = 166,548.52 : x
  2. Step 2: Convert to fraction form
    290,715.75/401,219.69 = 166,548.52/x
  3. Step 3: Cross multiply
    290,715.75x = 401,219.69 × 166,548.52
  4. Step 4: Simplify right side
    290,715.75x = 66,822,544,711.54
  5. Step 5: Solve for x
    x = 66,822,544,711.54/290,715.75
  6. Step 6: Final answer
    x = 229,855.26

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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.