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Finding the Fourth Proportional to 423,880.13, 635,794.44 and 150,339.89

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Solution

The fourth proportional to 423,880.13, 635,794.44 and 150,339.89 is: 225,500.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,880.13 : 635,794.44 = 150,339.89 : x
  2. Step 2: Convert to fraction form
    423,880.13/635,794.44 = 150,339.89/x
  3. Step 3: Cross multiply
    423,880.13x = 635,794.44 × 150,339.89
  4. Step 4: Simplify right side
    423,880.13x = 95,585,266,172.21
  5. Step 5: Solve for x
    x = 95,585,266,172.21/423,880.13
  6. Step 6: Final answer
    x = 225,500.70

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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.