Home / 326,389.28-450,293.30-240,553.16

Finding the Fourth Proportional to 326,389.28, 450,293.30 and 240,553.16

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Solution

The fourth proportional to 326,389.28, 450,293.30 and 240,553.16 is: 331,872.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,389.28 : 450,293.30 = 240,553.16 : x
  2. Step 2: Convert to fraction form
    326,389.28/450,293.30 = 240,553.16/x
  3. Step 3: Cross multiply
    326,389.28x = 450,293.30 × 240,553.16
  4. Step 4: Simplify right side
    326,389.28x = 108,319,476,241.83
  5. Step 5: Solve for x
    x = 108,319,476,241.83/326,389.28
  6. Step 6: Final answer
    x = 331,872.04

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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.