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Finding the Fourth Proportional to 367,396.12, 551,114.72 and 114,711.51

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Solution

The fourth proportional to 367,396.12, 551,114.72 and 114,711.51 is: 172,073.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,396.12 : 551,114.72 = 114,711.51 : x
  2. Step 2: Convert to fraction form
    367,396.12/551,114.72 = 114,711.51/x
  3. Step 3: Cross multiply
    367,396.12x = 551,114.72 × 114,711.51
  4. Step 4: Simplify right side
    367,396.12x = 63,219,199,763.08
  5. Step 5: Solve for x
    x = 63,219,199,763.08/367,396.12
  6. Step 6: Final answer
    x = 172,073.68

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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.