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Finding the Fourth Proportional to 375,559.56, 518,255.28 and 205,790.04

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Solution

The fourth proportional to 375,559.56, 518,255.28 and 205,790.04 is: 283,980.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,559.56 : 518,255.28 = 205,790.04 : x
  2. Step 2: Convert to fraction form
    375,559.56/518,255.28 = 205,790.04/x
  3. Step 3: Cross multiply
    375,559.56x = 518,255.28 × 205,790.04
  4. Step 4: Simplify right side
    375,559.56x = 106,651,774,801.41
  5. Step 5: Solve for x
    x = 106,651,774,801.41/375,559.56
  6. Step 6: Final answer
    x = 283,980.99

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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.