Home / 206,534.13-309,199.45-153,461.34

Finding the Fourth Proportional to 206,534.13, 309,199.45 and 153,461.34

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Solution

The fourth proportional to 206,534.13, 309,199.45 and 153,461.34 is: 229,744.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,534.13 : 309,199.45 = 153,461.34 : x
  2. Step 2: Convert to fraction form
    206,534.13/309,199.45 = 153,461.34/x
  3. Step 3: Cross multiply
    206,534.13x = 309,199.45 × 153,461.34
  4. Step 4: Simplify right side
    206,534.13x = 47,450,159,610.96
  5. Step 5: Solve for x
    x = 47,450,159,610.96/206,534.13
  6. Step 6: Final answer
    x = 229,744.88

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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.