Home / 356,609.36-492,171.31-220,687.04

Finding the Fourth Proportional to 356,609.36, 492,171.31 and 220,687.04

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Solution

The fourth proportional to 356,609.36, 492,171.31 and 220,687.04 is: 304,579.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,609.36 : 492,171.31 = 220,687.04 : x
  2. Step 2: Convert to fraction form
    356,609.36/492,171.31 = 220,687.04/x
  3. Step 3: Cross multiply
    356,609.36x = 492,171.31 × 220,687.04
  4. Step 4: Simplify right side
    356,609.36x = 108,615,826,012.53
  5. Step 5: Solve for x
    x = 108,615,826,012.53/356,609.36
  6. Step 6: Final answer
    x = 304,579.30

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1.5x scale

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.