Home / 214,232.13-321,574.32-209,406.71

Finding the Fourth Proportional to 214,232.13, 321,574.32 and 209,406.71

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Solution

The fourth proportional to 214,232.13, 321,574.32 and 209,406.71 is: 314,331.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,232.13 : 321,574.32 = 209,406.71 : x
  2. Step 2: Convert to fraction form
    214,232.13/321,574.32 = 209,406.71/x
  3. Step 3: Cross multiply
    214,232.13x = 321,574.32 × 209,406.71
  4. Step 4: Simplify right side
    214,232.13x = 67,339,820,371.69
  5. Step 5: Solve for x
    x = 67,339,820,371.69/214,232.13
  6. Step 6: Final answer
    x = 314,331.10

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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.