Home / 377,819.19-521,383.02-205,739.27

Finding the Fourth Proportional to 377,819.19, 521,383.02 and 205,739.27

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Solution

The fourth proportional to 377,819.19, 521,383.02 and 205,739.27 is: 283,916.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,819.19 : 521,383.02 = 205,739.27 : x
  2. Step 2: Convert to fraction form
    377,819.19/521,383.02 = 205,739.27/x
  3. Step 3: Cross multiply
    377,819.19x = 521,383.02 × 205,739.27
  4. Step 4: Simplify right side
    377,819.19x = 107,268,964,592.01
  5. Step 5: Solve for x
    x = 107,268,964,592.01/377,819.19
  6. Step 6: Final answer
    x = 283,916.13

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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.