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Finding the Fourth Proportional to 289,500.86, 433,609.68 and 222,447.42

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Solution

The fourth proportional to 289,500.86, 433,609.68 and 222,447.42 is: 333,178.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,500.86 : 433,609.68 = 222,447.42 : x
  2. Step 2: Convert to fraction form
    289,500.86/433,609.68 = 222,447.42/x
  3. Step 3: Cross multiply
    289,500.86x = 433,609.68 × 222,447.42
  4. Step 4: Simplify right side
    289,500.86x = 96,455,354,603.03
  5. Step 5: Solve for x
    x = 96,455,354,603.03/289,500.86
  6. Step 6: Final answer
    x = 333,178.13

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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.