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Finding the Fourth Proportional to 220,109.40, 330,164.10 and 53,897.40

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Solution

The fourth proportional to 220,109.40, 330,164.10 and 53,897.40 is: 80,846.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,109.40 : 330,164.10 = 53,897.40 : x
  2. Step 2: Convert to fraction form
    220,109.40/330,164.10 = 53,897.40/x
  3. Step 3: Cross multiply
    220,109.40x = 330,164.10 × 53,897.40
  4. Step 4: Simplify right side
    220,109.40x = 17,794,986,563.34
  5. Step 5: Solve for x
    x = 17,794,986,563.34/220,109.40
  6. Step 6: Final answer
    x = 80,846.10

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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.