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Finding the Fourth Proportional to 366,988.20, 550,482.30 and 100,748.30

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Solution

The fourth proportional to 366,988.20, 550,482.30 and 100,748.30 is: 151,122.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,988.20 : 550,482.30 = 100,748.30 : x
  2. Step 2: Convert to fraction form
    366,988.20/550,482.30 = 100,748.30/x
  3. Step 3: Cross multiply
    366,988.20x = 550,482.30 × 100,748.30
  4. Step 4: Simplify right side
    366,988.20x = 55,460,155,905.09
  5. Step 5: Solve for x
    x = 55,460,155,905.09/366,988.20
  6. Step 6: Final answer
    x = 151,122.45

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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.