Home / 303,517.08-455,275.26-90,284.22

Finding the Fourth Proportional to 303,517.08, 455,275.26 and 90,284.22

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Solution

The fourth proportional to 303,517.08, 455,275.26 and 90,284.22 is: 135,426.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,517.08 : 455,275.26 = 90,284.22 : x
  2. Step 2: Convert to fraction form
    303,517.08/455,275.26 = 90,284.22/x
  3. Step 3: Cross multiply
    303,517.08x = 455,275.26 × 90,284.22
  4. Step 4: Simplify right side
    303,517.08x = 41,104,171,734.40
  5. Step 5: Solve for x
    x = 41,104,171,734.40/303,517.08
  6. Step 6: Final answer
    x = 135,426.22

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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.