Home / 312,308.03-430,984.99-169,067.97

Finding the Fourth Proportional to 312,308.03, 430,984.99 and 169,067.97

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Solution

The fourth proportional to 312,308.03, 430,984.99 and 169,067.97 is: 233,313.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,308.03 : 430,984.99 = 169,067.97 : x
  2. Step 2: Convert to fraction form
    312,308.03/430,984.99 = 169,067.97/x
  3. Step 3: Cross multiply
    312,308.03x = 430,984.99 × 169,067.97
  4. Step 4: Simplify right side
    312,308.03x = 72,865,754,782.18
  5. Step 5: Solve for x
    x = 72,865,754,782.18/312,308.03
  6. Step 6: Final answer
    x = 233,313.74

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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.