Home / 326,408.04-450,327.62-213,296.40

Finding the Fourth Proportional to 326,408.04, 450,327.62 and 213,296.40

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Solution

The fourth proportional to 326,408.04, 450,327.62 and 213,296.40 is: 294,273.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,408.04 : 450,327.62 = 213,296.40 : x
  2. Step 2: Convert to fraction form
    326,408.04/450,327.62 = 213,296.40/x
  3. Step 3: Cross multiply
    326,408.04x = 450,327.62 × 213,296.40
  4. Step 4: Simplify right side
    326,408.04x = 96,053,259,100.09
  5. Step 5: Solve for x
    x = 96,053,259,100.09/326,408.04
  6. Step 6: Final answer
    x = 294,273.57

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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.