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Finding the Fourth Proportional to 224,344.80, 336,286.80 and 130,802.40

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Solution

The fourth proportional to 224,344.80, 336,286.80 and 130,802.40 is: 196,069.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,344.80 : 336,286.80 = 130,802.40 : x
  2. Step 2: Convert to fraction form
    224,344.80/336,286.80 = 130,802.40/x
  3. Step 3: Cross multiply
    224,344.80x = 336,286.80 × 130,802.40
  4. Step 4: Simplify right side
    224,344.80x = 43,987,120,528.32
  5. Step 5: Solve for x
    x = 43,987,120,528.32/224,344.80
  6. Step 6: Final answer
    x = 196,069.27

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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.