Home / 324,220.04-447,421.90-188,287.36

Finding the Fourth Proportional to 324,220.04, 447,421.90 and 188,287.36

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Solution

The fourth proportional to 324,220.04, 447,421.90 and 188,287.36 is: 259,835.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,220.04 : 447,421.90 = 188,287.36 : x
  2. Step 2: Convert to fraction form
    324,220.04/447,421.90 = 188,287.36/x
  3. Step 3: Cross multiply
    324,220.04x = 447,421.90 × 188,287.36
  4. Step 4: Simplify right side
    324,220.04x = 84,243,888,357.18
  5. Step 5: Solve for x
    x = 84,243,888,357.18/324,220.04
  6. Step 6: Final answer
    x = 259,835.54

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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.