Home / 375,495.12-518,164.02-205,725.60

Finding the Fourth Proportional to 375,495.12, 518,164.02 and 205,725.60

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Solution

The fourth proportional to 375,495.12, 518,164.02 and 205,725.60 is: 283,890.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,495.12 : 518,164.02 = 205,725.60 : x
  2. Step 2: Convert to fraction form
    375,495.12/518,164.02 = 205,725.60/x
  3. Step 3: Cross multiply
    375,495.12x = 518,164.02 × 205,725.60
  4. Step 4: Simplify right side
    375,495.12x = 106,599,603,912.91
  5. Step 5: Solve for x
    x = 106,599,603,912.91/375,495.12
  6. Step 6: Final answer
    x = 283,890.78

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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.