Home / 351,977.56-485,692.58-216,017.24

Finding the Fourth Proportional to 351,977.56, 485,692.58 and 216,017.24

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Solution

The fourth proportional to 351,977.56, 485,692.58 and 216,017.24 is: 298,081.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,977.56 : 485,692.58 = 216,017.24 : x
  2. Step 2: Convert to fraction form
    351,977.56/485,692.58 = 216,017.24/x
  3. Step 3: Cross multiply
    351,977.56x = 485,692.58 × 216,017.24
  4. Step 4: Simplify right side
    351,977.56x = 104,917,968,731.66
  5. Step 5: Solve for x
    x = 104,917,968,731.66/351,977.56
  6. Step 6: Final answer
    x = 298,081.42

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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.