Home / 375,320.39-517,949.64-205,554.51

Finding the Fourth Proportional to 375,320.39, 517,949.64 and 205,554.51

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Solution

The fourth proportional to 375,320.39, 517,949.64 and 205,554.51 is: 283,669.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,320.39 : 517,949.64 = 205,554.51 : x
  2. Step 2: Convert to fraction form
    375,320.39/517,949.64 = 205,554.51/x
  3. Step 3: Cross multiply
    375,320.39x = 517,949.64 × 205,554.51
  4. Step 4: Simplify right side
    375,320.39x = 106,466,884,454.88
  5. Step 5: Solve for x
    x = 106,466,884,454.88/375,320.39
  6. Step 6: Final answer
    x = 283,669.34

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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.