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Finding the Fourth Proportional to 219,445.56, 329,168.48 and 53,233.56

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Solution

The fourth proportional to 219,445.56, 329,168.48 and 53,233.56 is: 79,850.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,445.56 : 329,168.48 = 53,233.56 : x
  2. Step 2: Convert to fraction form
    219,445.56/329,168.48 = 53,233.56/x
  3. Step 3: Cross multiply
    219,445.56x = 329,168.48 × 53,233.56
  4. Step 4: Simplify right side
    219,445.56x = 17,522,810,030.19
  5. Step 5: Solve for x
    x = 17,522,810,030.19/219,445.56
  6. Step 6: Final answer
    x = 79,850.37

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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.