Home / 439,977.34-659,968.44-159,487.30

Finding the Fourth Proportional to 439,977.34, 659,968.44 and 159,487.30

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Solution

The fourth proportional to 439,977.34, 659,968.44 and 159,487.30 is: 239,231.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,977.34 : 659,968.44 = 159,487.30 : x
  2. Step 2: Convert to fraction form
    439,977.34/659,968.44 = 159,487.30/x
  3. Step 3: Cross multiply
    439,977.34x = 659,968.44 × 159,487.30
  4. Step 4: Simplify right side
    439,977.34x = 105,256,584,580.81
  5. Step 5: Solve for x
    x = 105,256,584,580.81/439,977.34
  6. Step 6: Final answer
    x = 239,231.83

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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.