Home / 371,787.20-557,698.08-122,471.36

Finding the Fourth Proportional to 371,787.20, 557,698.08 and 122,471.36

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Solution

The fourth proportional to 371,787.20, 557,698.08 and 122,471.36 is: 183,712.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,787.20 : 557,698.08 = 122,471.36 : x
  2. Step 2: Convert to fraction form
    371,787.20/557,698.08 = 122,471.36/x
  3. Step 3: Cross multiply
    371,787.20x = 557,698.08 × 122,471.36
  4. Step 4: Simplify right side
    371,787.20x = 68,302,042,326.99
  5. Step 5: Solve for x
    x = 68,302,042,326.99/371,787.20
  6. Step 6: Final answer
    x = 183,712.73

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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.