Home / 379,935.54-524,327.49-210,169.66

Finding the Fourth Proportional to 379,935.54, 524,327.49 and 210,169.66

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Solution

The fourth proportional to 379,935.54, 524,327.49 and 210,169.66 is: 290,043.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,935.54 : 524,327.49 = 210,169.66 : x
  2. Step 2: Convert to fraction form
    379,935.54/524,327.49 = 210,169.66/x
  3. Step 3: Cross multiply
    379,935.54x = 524,327.49 × 210,169.66
  4. Step 4: Simplify right side
    379,935.54x = 110,197,730,301.95
  5. Step 5: Solve for x
    x = 110,197,730,301.95/379,935.54
  6. Step 6: Final answer
    x = 290,043.23

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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.