Home / 326,378.19-450,689.13-204,080.16

Finding the Fourth Proportional to 326,378.19, 450,689.13 and 204,080.16

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Solution

The fourth proportional to 326,378.19, 450,689.13 and 204,080.16 is: 281,810.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,378.19 : 450,689.13 = 204,080.16 : x
  2. Step 2: Convert to fraction form
    326,378.19/450,689.13 = 204,080.16/x
  3. Step 3: Cross multiply
    326,378.19x = 450,689.13 × 204,080.16
  4. Step 4: Simplify right side
    326,378.19x = 91,976,709,760.66
  5. Step 5: Solve for x
    x = 91,976,709,760.66/326,378.19
  6. Step 6: Final answer
    x = 281,810.22

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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.