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Finding the Fourth Proportional to 308,037.60, 462,056.40 and 223,400.70

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Solution

The fourth proportional to 308,037.60, 462,056.40 and 223,400.70 is: 335,101.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,037.60 : 462,056.40 = 223,400.70 : x
  2. Step 2: Convert to fraction form
    308,037.60/462,056.40 = 223,400.70/x
  3. Step 3: Cross multiply
    308,037.60x = 462,056.40 × 223,400.70
  4. Step 4: Simplify right side
    308,037.60x = 103,223,723,199.48
  5. Step 5: Solve for x
    x = 103,223,723,199.48/308,037.60
  6. Step 6: Final answer
    x = 335,101.05

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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.