Home / 284,766.36-392,942.94-157,424.28

Finding the Fourth Proportional to 284,766.36, 392,942.94 and 157,424.28

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Solution

The fourth proportional to 284,766.36, 392,942.94 and 157,424.28 is: 217,226.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,766.36 : 392,942.94 = 157,424.28 : x
  2. Step 2: Convert to fraction form
    284,766.36/392,942.94 = 157,424.28/x
  3. Step 3: Cross multiply
    284,766.36x = 392,942.94 × 157,424.28
  4. Step 4: Simplify right side
    284,766.36x = 61,858,759,410.58
  5. Step 5: Solve for x
    x = 61,858,759,410.58/284,766.36
  6. Step 6: Final answer
    x = 217,226.36

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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.