Home / 308,579.40-462,869.10-296,769.60

Finding the Fourth Proportional to 308,579.40, 462,869.10 and 296,769.60

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Solution

The fourth proportional to 308,579.40, 462,869.10 and 296,769.60 is: 445,154.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,579.40 : 462,869.10 = 296,769.60 : x
  2. Step 2: Convert to fraction form
    308,579.40/462,869.10 = 296,769.60/x
  3. Step 3: Cross multiply
    308,579.40x = 462,869.10 × 296,769.60
  4. Step 4: Simplify right side
    308,579.40x = 137,365,477,659.36
  5. Step 5: Solve for x
    x = 137,365,477,659.36/308,579.40
  6. Step 6: Final answer
    x = 445,154.40

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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.