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Finding the Fourth Proportional to 219,999.73, 330,094.42 and 118,777.68

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Solution

The fourth proportional to 219,999.73, 330,094.42 and 118,777.68 is: 178,217.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,999.73 : 330,094.42 = 118,777.68 : x
  2. Step 2: Convert to fraction form
    219,999.73/330,094.42 = 118,777.68/x
  3. Step 3: Cross multiply
    219,999.73x = 330,094.42 × 118,777.68
  4. Step 4: Simplify right side
    219,999.73x = 39,207,849,388.55
  5. Step 5: Solve for x
    x = 39,207,849,388.55/219,999.73
  6. Step 6: Final answer
    x = 178,217.72

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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.