Home / 324,006.40-486,228.30-211,412.35

Finding the Fourth Proportional to 324,006.40, 486,228.30 and 211,412.35

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Solution

The fourth proportional to 324,006.40, 486,228.30 and 211,412.35 is: 317,261.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,006.40 : 486,228.30 = 211,412.35 : x
  2. Step 2: Convert to fraction form
    324,006.40/486,228.30 = 211,412.35/x
  3. Step 3: Cross multiply
    324,006.40x = 486,228.30 × 211,412.35
  4. Step 4: Simplify right side
    324,006.40x = 102,794,667,539.51
  5. Step 5: Solve for x
    x = 102,794,667,539.51/324,006.40
  6. Step 6: Final answer
    x = 317,261.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.