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Finding the Fourth Proportional to 340,543.44, 510,796.13 and 103,867.52

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Solution

The fourth proportional to 340,543.44, 510,796.13 and 103,867.52 is: 155,795.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,543.44 : 510,796.13 = 103,867.52 : x
  2. Step 2: Convert to fraction form
    340,543.44/510,796.13 = 103,867.52/x
  3. Step 3: Cross multiply
    340,543.44x = 510,796.13 × 103,867.52
  4. Step 4: Simplify right side
    340,543.44x = 53,055,124,175.38
  5. Step 5: Solve for x
    x = 53,055,124,175.38/340,543.44
  6. Step 6: Final answer
    x = 155,795.47

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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.