Home / 307,564.14-424,612.89-200,080.38

Finding the Fourth Proportional to 307,564.14, 424,612.89 and 200,080.38

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Solution

The fourth proportional to 307,564.14, 424,612.89 and 200,080.38 is: 276,224.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,564.14 : 424,612.89 = 200,080.38 : x
  2. Step 2: Convert to fraction form
    307,564.14/424,612.89 = 200,080.38/x
  3. Step 3: Cross multiply
    307,564.14x = 424,612.89 × 200,080.38
  4. Step 4: Simplify right side
    307,564.14x = 84,956,708,384.10
  5. Step 5: Solve for x
    x = 84,956,708,384.10/307,564.14
  6. Step 6: Final answer
    x = 276,224.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.