Home / 313,542.47-470,918.78-268,665.23

Finding the Fourth Proportional to 313,542.47, 470,918.78 and 268,665.23

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Solution

The fourth proportional to 313,542.47, 470,918.78 and 268,665.23 is: 403,516.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,542.47 : 470,918.78 = 268,665.23 : x
  2. Step 2: Convert to fraction form
    313,542.47/470,918.78 = 268,665.23/x
  3. Step 3: Cross multiply
    313,542.47x = 470,918.78 × 268,665.23
  4. Step 4: Simplify right side
    313,542.47x = 126,519,502,340.02
  5. Step 5: Solve for x
    x = 126,519,502,340.02/313,542.47
  6. Step 6: Final answer
    x = 403,516.32

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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.