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Finding the Fourth Proportional to 540,000.20, 810,000.30 and 166,022.60

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Solution

The fourth proportional to 540,000.20, 810,000.30 and 166,022.60 is: 249,033.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,000.20 : 810,000.30 = 166,022.60 : x
  2. Step 2: Convert to fraction form
    540,000.20/810,000.30 = 166,022.60/x
  3. Step 3: Cross multiply
    540,000.20x = 810,000.30 × 166,022.60
  4. Step 4: Simplify right side
    540,000.20x = 134,478,355,806.78
  5. Step 5: Solve for x
    x = 134,478,355,806.78/540,000.20
  6. Step 6: Final answer
    x = 249,033.90

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Similar ratio
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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.