Home / 206,533.13-309,197.95-153,460.34

Finding the Fourth Proportional to 206,533.13, 309,197.95 and 153,460.34

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Solution

The fourth proportional to 206,533.13, 309,197.95 and 153,460.34 is: 229,743.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,533.13 : 309,197.95 = 153,460.34 : x
  2. Step 2: Convert to fraction form
    206,533.13/309,197.95 = 153,460.34/x
  3. Step 3: Cross multiply
    206,533.13x = 309,197.95 × 153,460.34
  4. Step 4: Simplify right side
    206,533.13x = 47,449,620,221.01
  5. Step 5: Solve for x
    x = 47,449,620,221.01/206,533.13
  6. Step 6: Final answer
    x = 229,743.38

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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.