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Finding the Fourth Proportional to 375,561.56, 518,275.16 and 205,795.69

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Solution

The fourth proportional to 375,561.56, 518,275.16 and 205,795.69 is: 283,998.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,561.56 : 518,275.16 = 205,795.69 : x
  2. Step 2: Convert to fraction form
    375,561.56/518,275.16 = 205,795.69/x
  3. Step 3: Cross multiply
    375,561.56x = 518,275.16 × 205,795.69
  4. Step 4: Simplify right side
    375,561.56x = 106,658,792,609.13
  5. Step 5: Solve for x
    x = 106,658,792,609.13/375,561.56
  6. Step 6: Final answer
    x = 283,998.16

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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.