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Finding the Fourth Proportional to 336,172.20, 504,258.30 and 310,511.40

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Solution

The fourth proportional to 336,172.20, 504,258.30 and 310,511.40 is: 465,767.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,172.20 : 504,258.30 = 310,511.40 : x
  2. Step 2: Convert to fraction form
    336,172.20/504,258.30 = 310,511.40/x
  3. Step 3: Cross multiply
    336,172.20x = 504,258.30 × 310,511.40
  4. Step 4: Simplify right side
    336,172.20x = 156,577,950,694.62
  5. Step 5: Solve for x
    x = 156,577,950,694.62/336,172.20
  6. Step 6: Final answer
    x = 465,767.10

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1.5x scale

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.