Home / 371,836.32-557,821.44-135,510.72

Finding the Fourth Proportional to 371,836.32, 557,821.44 and 135,510.72

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Solution

The fourth proportional to 371,836.32, 557,821.44 and 135,510.72 is: 203,290.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,836.32 : 557,821.44 = 135,510.72 : x
  2. Step 2: Convert to fraction form
    371,836.32/557,821.44 = 135,510.72/x
  3. Step 3: Cross multiply
    371,836.32x = 557,821.44 × 135,510.72
  4. Step 4: Simplify right side
    371,836.32x = 75,590,784,965.84
  5. Step 5: Solve for x
    x = 75,590,784,965.84/371,836.32
  6. Step 6: Final answer
    x = 203,290.48

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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.