Home / 375,006.12-517,505.40-205,239.84

Finding the Fourth Proportional to 375,006.12, 517,505.40 and 205,239.84

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Solution

The fourth proportional to 375,006.12, 517,505.40 and 205,239.84 is: 283,229.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,006.12 : 517,505.40 = 205,239.84 : x
  2. Step 2: Convert to fraction form
    375,006.12/517,505.40 = 205,239.84/x
  3. Step 3: Cross multiply
    375,006.12x = 517,505.40 × 205,239.84
  4. Step 4: Simplify right side
    375,006.12x = 106,212,725,495.14
  5. Step 5: Solve for x
    x = 106,212,725,495.14/375,006.12
  6. Step 6: Final answer
    x = 283,229.31

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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.