Home / 621,076.35-931,658.83-165,665.04

Finding the Fourth Proportional to 621,076.35, 931,658.83 and 165,665.04

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Solution

The fourth proportional to 621,076.35, 931,658.83 and 165,665.04 is: 248,509.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,076.35 : 931,658.83 = 165,665.04 : x
  2. Step 2: Convert to fraction form
    621,076.35/931,658.83 = 165,665.04/x
  3. Step 3: Cross multiply
    621,076.35x = 931,658.83 × 165,665.04
  4. Step 4: Simplify right side
    621,076.35x = 154,343,297,338.30
  5. Step 5: Solve for x
    x = 154,343,297,338.30/621,076.35
  6. Step 6: Final answer
    x = 248,509.38

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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.