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Finding the Fourth Proportional to 308,881.80, 463,322.70 and 109,200.60

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Solution

The fourth proportional to 308,881.80, 463,322.70 and 109,200.60 is: 163,800.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,881.80 : 463,322.70 = 109,200.60 : x
  2. Step 2: Convert to fraction form
    308,881.80/463,322.70 = 109,200.60/x
  3. Step 3: Cross multiply
    308,881.80x = 463,322.70 × 109,200.60
  4. Step 4: Simplify right side
    308,881.80x = 50,595,116,833.62
  5. Step 5: Solve for x
    x = 50,595,116,833.62/308,881.80
  6. Step 6: Final answer
    x = 163,800.90

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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.