Home / 308,271.38-462,313.65-118,717.17

Finding the Fourth Proportional to 308,271.38, 462,313.65 and 118,717.17

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Solution

The fourth proportional to 308,271.38, 462,313.65 and 118,717.17 is: 178,039.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,271.38 : 462,313.65 = 118,717.17 : x
  2. Step 2: Convert to fraction form
    308,271.38/462,313.65 = 118,717.17/x
  3. Step 3: Cross multiply
    308,271.38x = 462,313.65 × 118,717.17
  4. Step 4: Simplify right side
    308,271.38x = 54,884,568,180.37
  5. Step 5: Solve for x
    x = 54,884,568,180.37/308,271.38
  6. Step 6: Final answer
    x = 178,039.78

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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.