Home / 661,142.39-992,087.26-282,027.31

Finding the Fourth Proportional to 661,142.39, 992,087.26 and 282,027.31

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Solution

The fourth proportional to 661,142.39, 992,087.26 and 282,027.31 is: 423,200.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,142.39 : 992,087.26 = 282,027.31 : x
  2. Step 2: Convert to fraction form
    661,142.39/992,087.26 = 282,027.31/x
  3. Step 3: Cross multiply
    661,142.39x = 992,087.26 × 282,027.31
  4. Step 4: Simplify right side
    661,142.39x = 279,795,698,037.78
  5. Step 5: Solve for x
    x = 279,795,698,037.78/661,142.39
  6. Step 6: Final answer
    x = 423,200.36

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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.