Home / 495,412.31-683,665.12-269,057.81

Finding the Fourth Proportional to 495,412.31, 683,665.12 and 269,057.81

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Solution

The fourth proportional to 495,412.31, 683,665.12 and 269,057.81 is: 371,297.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,412.31 : 683,665.12 = 269,057.81 : x
  2. Step 2: Convert to fraction form
    495,412.31/683,665.12 = 269,057.81/x
  3. Step 3: Cross multiply
    495,412.31x = 683,665.12 × 269,057.81
  4. Step 4: Simplify right side
    495,412.31x = 183,945,439,960.59
  5. Step 5: Solve for x
    x = 183,945,439,960.59/495,412.31
  6. Step 6: Final answer
    x = 371,297.68

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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.