Home / 281,096.22-420,968.70-160,788.45

Finding the Fourth Proportional to 281,096.22, 420,968.70 and 160,788.45

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Solution

The fourth proportional to 281,096.22, 420,968.70 and 160,788.45 is: 240,796.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,096.22 : 420,968.70 = 160,788.45 : x
  2. Step 2: Convert to fraction form
    281,096.22/420,968.70 = 160,788.45/x
  3. Step 3: Cross multiply
    281,096.22x = 420,968.70 × 160,788.45
  4. Step 4: Simplify right side
    281,096.22x = 67,686,904,771.52
  5. Step 5: Solve for x
    x = 67,686,904,771.52/281,096.22
  6. Step 6: Final answer
    x = 240,796.21

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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.