Home / 283,356.82-424,935.18-83,623.78

Finding the Fourth Proportional to 283,356.82, 424,935.18 and 83,623.78

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Solution

The fourth proportional to 283,356.82, 424,935.18 and 83,623.78 is: 125,406.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,356.82 : 424,935.18 = 83,623.78 : x
  2. Step 2: Convert to fraction form
    283,356.82/424,935.18 = 83,623.78/x
  3. Step 3: Cross multiply
    283,356.82x = 424,935.18 × 83,623.78
  4. Step 4: Simplify right side
    283,356.82x = 35,534,686,006.58
  5. Step 5: Solve for x
    x = 35,534,686,006.58/283,356.82
  6. Step 6: Final answer
    x = 125,406.14

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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.