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Finding the Fourth Proportional to 201,331.40, 301,805.10 and 74,937.80

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Solution

The fourth proportional to 201,331.40, 301,805.10 and 74,937.80 is: 112,335.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,331.40 : 301,805.10 = 74,937.80 : x
  2. Step 2: Convert to fraction form
    201,331.40/301,805.10 = 74,937.80/x
  3. Step 3: Cross multiply
    201,331.40x = 301,805.10 × 74,937.80
  4. Step 4: Simplify right side
    201,331.40x = 22,616,610,222.78
  5. Step 5: Solve for x
    x = 22,616,610,222.78/201,331.40
  6. Step 6: Final answer
    x = 112,335.24

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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.