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Finding the Fourth Proportional to 242,168.40, 363,252.60 and 189,622.80

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Solution

The fourth proportional to 242,168.40, 363,252.60 and 189,622.80 is: 284,434.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,168.40 : 363,252.60 = 189,622.80 : x
  2. Step 2: Convert to fraction form
    242,168.40/363,252.60 = 189,622.80/x
  3. Step 3: Cross multiply
    242,168.40x = 363,252.60 × 189,622.80
  4. Step 4: Simplify right side
    242,168.40x = 68,880,975,119.28
  5. Step 5: Solve for x
    x = 68,880,975,119.28/242,168.40
  6. Step 6: Final answer
    x = 284,434.20

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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.