Home / 326,849.51-490,422.13-166,842.81

Finding the Fourth Proportional to 326,849.51, 490,422.13 and 166,842.81

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Solution

The fourth proportional to 326,849.51, 490,422.13 and 166,842.81 is: 250,339.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,849.51 : 490,422.13 = 166,842.81 : x
  2. Step 2: Convert to fraction form
    326,849.51/490,422.13 = 166,842.81/x
  3. Step 3: Cross multiply
    326,849.51x = 490,422.13 × 166,842.81
  4. Step 4: Simplify right side
    326,849.51x = 81,823,405,838.28
  5. Step 5: Solve for x
    x = 81,823,405,838.28/326,849.51
  6. Step 6: Final answer
    x = 250,339.69

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1.5x scale

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.