Home / 375,243.30-517,834.89-205,475.94

Finding the Fourth Proportional to 375,243.30, 517,834.89 and 205,475.94

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Solution

The fourth proportional to 375,243.30, 517,834.89 and 205,475.94 is: 283,556.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,243.30 : 517,834.89 = 205,475.94 : x
  2. Step 2: Convert to fraction form
    375,243.30/517,834.89 = 205,475.94/x
  3. Step 3: Cross multiply
    375,243.30x = 517,834.89 × 205,475.94
  4. Step 4: Simplify right side
    375,243.30x = 106,402,610,787.55
  5. Step 5: Solve for x
    x = 106,402,610,787.55/375,243.30
  6. Step 6: Final answer
    x = 283,556.32

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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.