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Finding the Fourth Proportional to 402,081.40, 603,122.10 and 244,358.20

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Solution

The fourth proportional to 402,081.40, 603,122.10 and 244,358.20 is: 366,537.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,081.40 : 603,122.10 = 244,358.20 : x
  2. Step 2: Convert to fraction form
    402,081.40/603,122.10 = 244,358.20/x
  3. Step 3: Cross multiply
    402,081.40x = 603,122.10 × 244,358.20
  4. Step 4: Simplify right side
    402,081.40x = 147,377,830,736.22
  5. Step 5: Solve for x
    x = 147,377,830,736.22/402,081.40
  6. Step 6: Final answer
    x = 366,537.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.