Home / 324,795.28-447,995.10-211,771.12

Finding the Fourth Proportional to 324,795.28, 447,995.10 and 211,771.12

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Solution

The fourth proportional to 324,795.28, 447,995.10 and 211,771.12 is: 292,099.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,795.28 : 447,995.10 = 211,771.12 : x
  2. Step 2: Convert to fraction form
    324,795.28/447,995.10 = 211,771.12/x
  3. Step 3: Cross multiply
    324,795.28x = 447,995.10 × 211,771.12
  4. Step 4: Simplify right side
    324,795.28x = 94,872,424,081.51
  5. Step 5: Solve for x
    x = 94,872,424,081.51/324,795.28
  6. Step 6: Final answer
    x = 292,099.15

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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.