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Finding the Fourth Proportional to 221,452.10, 309,333.10 and 221,452.10

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Solution

The fourth proportional to 221,452.10, 309,333.10 and 221,452.10 is: 309,333.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,452.10 : 309,333.10 = 221,452.10 : x
  2. Step 2: Convert to fraction form
    221,452.10/309,333.10 = 221,452.10/x
  3. Step 3: Cross multiply
    221,452.10x = 309,333.10 × 221,452.10
  4. Step 4: Simplify right side
    221,452.10x = 68,502,464,594.51
  5. Step 5: Solve for x
    x = 68,502,464,594.51/221,452.10
  6. Step 6: Final answer
    x = 309,333.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.