Home / 442,918.33-664,483.32-143,399.24

Finding the Fourth Proportional to 442,918.33, 664,483.32 and 143,399.24

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Solution

The fourth proportional to 442,918.33, 664,483.32 and 143,399.24 is: 215,133.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,918.33 : 664,483.32 = 143,399.24 : x
  2. Step 2: Convert to fraction form
    442,918.33/664,483.32 = 143,399.24/x
  3. Step 3: Cross multiply
    442,918.33x = 664,483.32 × 143,399.24
  4. Step 4: Simplify right side
    442,918.33x = 95,286,400,784.52
  5. Step 5: Solve for x
    x = 95,286,400,784.52/442,918.33
  6. Step 6: Final answer
    x = 215,133.12

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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.