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Finding the Fourth Proportional to 270,068.20, 405,102.30 and 169,903.60

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Solution

The fourth proportional to 270,068.20, 405,102.30 and 169,903.60 is: 254,855.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,068.20 : 405,102.30 = 169,903.60 : x
  2. Step 2: Convert to fraction form
    270,068.20/405,102.30 = 169,903.60/x
  3. Step 3: Cross multiply
    270,068.20x = 405,102.30 × 169,903.60
  4. Step 4: Simplify right side
    270,068.20x = 68,828,339,138.28
  5. Step 5: Solve for x
    x = 68,828,339,138.28/270,068.20
  6. Step 6: Final answer
    x = 254,855.40

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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.