Home / 286,466.52-395,324.28-159,142.20

Finding the Fourth Proportional to 286,466.52, 395,324.28 and 159,142.20

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Solution

The fourth proportional to 286,466.52, 395,324.28 and 159,142.20 is: 219,616.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,466.52 : 395,324.28 = 159,142.20 : x
  2. Step 2: Convert to fraction form
    286,466.52/395,324.28 = 159,142.20/x
  3. Step 3: Cross multiply
    286,466.52x = 395,324.28 × 159,142.20
  4. Step 4: Simplify right side
    286,466.52x = 62,912,775,632.62
  5. Step 5: Solve for x
    x = 62,912,775,632.62/286,466.52
  6. Step 6: Final answer
    x = 219,616.50

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1.5x scale

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.