Home / 323,146.12-484,401.66-154,618.60

Finding the Fourth Proportional to 323,146.12, 484,401.66 and 154,618.60

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Solution

The fourth proportional to 323,146.12, 484,401.66 and 154,618.60 is: 231,775.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,146.12 : 484,401.66 = 154,618.60 : x
  2. Step 2: Convert to fraction form
    323,146.12/484,401.66 = 154,618.60/x
  3. Step 3: Cross multiply
    323,146.12x = 484,401.66 × 154,618.60
  4. Step 4: Simplify right side
    323,146.12x = 74,897,506,506.88
  5. Step 5: Solve for x
    x = 74,897,506,506.88/323,146.12
  6. Step 6: Final answer
    x = 231,775.97

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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.