Home / 667,564.02-1,001,335.68-162,128.88

Finding the Fourth Proportional to 667,564.02, 1,001,335.68 and 162,128.88

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Solution

The fourth proportional to 667,564.02, 1,001,335.68 and 162,128.88 is: 243,190.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,564.02 : 1,001,335.68 = 162,128.88 : x
  2. Step 2: Convert to fraction form
    667,564.02/1,001,335.68 = 162,128.88/x
  3. Step 3: Cross multiply
    667,564.02x = 1,001,335.68 × 162,128.88
  4. Step 4: Simplify right side
    667,564.02x = 162,345,432,302.44
  5. Step 5: Solve for x
    x = 162,345,432,302.44/667,564.02
  6. Step 6: Final answer
    x = 243,190.81

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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.