Home / 762,177.62-1,143,266.84-193,601.36

Finding the Fourth Proportional to 762,177.62, 1,143,266.84 and 193,601.36

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Solution

The fourth proportional to 762,177.62, 1,143,266.84 and 193,601.36 is: 290,402.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,177.62 : 1,143,266.84 = 193,601.36 : x
  2. Step 2: Convert to fraction form
    762,177.62/1,143,266.84 = 193,601.36/x
  3. Step 3: Cross multiply
    762,177.62x = 1,143,266.84 × 193,601.36
  4. Step 4: Simplify right side
    762,177.62x = 221,338,015,066.90
  5. Step 5: Solve for x
    x = 221,338,015,066.90/762,177.62
  6. Step 6: Final answer
    x = 290,402.14

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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.