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Finding the Fourth Proportional to 336,010.70, 504,016.05 and 125,621.30

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Solution

The fourth proportional to 336,010.70, 504,016.05 and 125,621.30 is: 188,431.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,010.70 : 504,016.05 = 125,621.30 : x
  2. Step 2: Convert to fraction form
    336,010.70/504,016.05 = 125,621.30/x
  3. Step 3: Cross multiply
    336,010.70x = 504,016.05 × 125,621.30
  4. Step 4: Simplify right side
    336,010.70x = 63,315,151,421.87
  5. Step 5: Solve for x
    x = 63,315,151,421.87/336,010.70
  6. Step 6: Final answer
    x = 188,431.95

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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.