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Finding the Fourth Proportional to 220,284.79, 330,427.50 and 54,072.79

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Solution

The fourth proportional to 220,284.79, 330,427.50 and 54,072.79 is: 81,109.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,284.79 : 330,427.50 = 54,072.79 : x
  2. Step 2: Convert to fraction form
    220,284.79/330,427.50 = 54,072.79/x
  3. Step 3: Cross multiply
    220,284.79x = 330,427.50 × 54,072.79
  4. Step 4: Simplify right side
    220,284.79x = 17,867,136,817.73
  5. Step 5: Solve for x
    x = 17,867,136,817.73/220,284.79
  6. Step 6: Final answer
    x = 81,109.26

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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.