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Finding the Fourth Proportional to 219,392.73, 329,089.14 and 53,180.73

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Solution

The fourth proportional to 219,392.73, 329,089.14 and 53,180.73 is: 79,771.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,392.73 : 329,089.14 = 53,180.73 : x
  2. Step 2: Convert to fraction form
    219,392.73/329,089.14 = 53,180.73/x
  3. Step 3: Cross multiply
    219,392.73x = 329,089.14 × 53,180.73
  4. Step 4: Simplify right side
    219,392.73x = 17,501,200,700.27
  5. Step 5: Solve for x
    x = 17,501,200,700.27/219,392.73
  6. Step 6: Final answer
    x = 79,771.11

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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.