Home / 371,739.06-557,857.71-238,712.74

Finding the Fourth Proportional to 371,739.06, 557,857.71 and 238,712.74

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Solution

The fourth proportional to 371,739.06, 557,857.71 and 238,712.74 is: 358,229.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,739.06 : 557,857.71 = 238,712.74 : x
  2. Step 2: Convert to fraction form
    371,739.06/557,857.71 = 238,712.74/x
  3. Step 3: Cross multiply
    371,739.06x = 557,857.71 × 238,712.74
  4. Step 4: Simplify right side
    371,739.06x = 133,167,741,089.58
  5. Step 5: Solve for x
    x = 133,167,741,089.58/371,739.06
  6. Step 6: Final answer
    x = 358,229.08

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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.