Home / 371,431.12-557,417.22-134,792.86

Finding the Fourth Proportional to 371,431.12, 557,417.22 and 134,792.86

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Solution

The fourth proportional to 371,431.12, 557,417.22 and 134,792.86 is: 202,287.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,431.12 : 557,417.22 = 134,792.86 : x
  2. Step 2: Convert to fraction form
    371,431.12/557,417.22 = 134,792.86/x
  3. Step 3: Cross multiply
    371,431.12x = 557,417.22 × 134,792.86
  4. Step 4: Simplify right side
    371,431.12x = 75,135,861,297.05
  5. Step 5: Solve for x
    x = 75,135,861,297.05/371,431.12
  6. Step 6: Final answer
    x = 202,287.47

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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.