Home / 340,293.28-510,513.84-103,629.88

Finding the Fourth Proportional to 340,293.28, 510,513.84 and 103,629.88

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Solution

The fourth proportional to 340,293.28, 510,513.84 and 103,629.88 is: 155,467.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,293.28 : 510,513.84 = 103,629.88 : x
  2. Step 2: Convert to fraction form
    340,293.28/510,513.84 = 103,629.88/x
  3. Step 3: Cross multiply
    340,293.28x = 510,513.84 × 103,629.88
  4. Step 4: Simplify right side
    340,293.28x = 52,904,487,977.54
  5. Step 5: Solve for x
    x = 52,904,487,977.54/340,293.28
  6. Step 6: Final answer
    x = 155,467.33

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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.