Home / 326,019.18-449,739.66-217,310.70

Finding the Fourth Proportional to 326,019.18, 449,739.66 and 217,310.70

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Solution

The fourth proportional to 326,019.18, 449,739.66 and 217,310.70 is: 299,777.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,019.18 : 449,739.66 = 217,310.70 : x
  2. Step 2: Convert to fraction form
    326,019.18/449,739.66 = 217,310.70/x
  3. Step 3: Cross multiply
    326,019.18x = 449,739.66 × 217,310.70
  4. Step 4: Simplify right side
    326,019.18x = 97,733,240,332.36
  5. Step 5: Solve for x
    x = 97,733,240,332.36/326,019.18
  6. Step 6: Final answer
    x = 299,777.58

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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.