Home / 285,570.90-428,393.07-95,949.36

Finding the Fourth Proportional to 285,570.90, 428,393.07 and 95,949.36

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Solution

The fourth proportional to 285,570.90, 428,393.07 and 95,949.36 is: 143,936.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,570.90 : 428,393.07 = 95,949.36 : x
  2. Step 2: Convert to fraction form
    285,570.90/428,393.07 = 95,949.36/x
  3. Step 3: Cross multiply
    285,570.90x = 428,393.07 × 95,949.36
  4. Step 4: Simplify right side
    285,570.90x = 41,104,040,894.94
  5. Step 5: Solve for x
    x = 41,104,040,894.94/285,570.90
  6. Step 6: Final answer
    x = 143,936.38

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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.