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Finding the Fourth Proportional to 100,271.49, 150,404.40 and 33,715.41

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Solution

The fourth proportional to 100,271.49, 150,404.40 and 33,715.41 is: 50,572.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,271.49 : 150,404.40 = 33,715.41 : x
  2. Step 2: Convert to fraction form
    100,271.49/150,404.40 = 33,715.41/x
  3. Step 3: Cross multiply
    100,271.49x = 150,404.40 × 33,715.41
  4. Step 4: Simplify right side
    100,271.49x = 5,070,946,011.80
  5. Step 5: Solve for x
    x = 5,070,946,011.80/100,271.49
  6. Step 6: Final answer
    x = 50,572.16

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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.