Home / 498,205.24-687,539.82-271,863.16

Finding the Fourth Proportional to 498,205.24, 687,539.82 and 271,863.16

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Solution

The fourth proportional to 498,205.24, 687,539.82 and 271,863.16 is: 375,180.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,205.24 : 687,539.82 = 271,863.16 : x
  2. Step 2: Convert to fraction form
    498,205.24/687,539.82 = 271,863.16/x
  3. Step 3: Cross multiply
    498,205.24x = 687,539.82 × 271,863.16
  4. Step 4: Simplify right side
    498,205.24x = 186,916,748,091.03
  5. Step 5: Solve for x
    x = 186,916,748,091.03/498,205.24
  6. Step 6: Final answer
    x = 375,180.21

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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.