Home / 300,900.08-451,259.24-90,482.16

Finding the Fourth Proportional to 300,900.08, 451,259.24 and 90,482.16

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Solution

The fourth proportional to 300,900.08, 451,259.24 and 90,482.16 is: 135,695.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,900.08 : 451,259.24 = 90,482.16 : x
  2. Step 2: Convert to fraction form
    300,900.08/451,259.24 = 90,482.16/x
  3. Step 3: Cross multiply
    300,900.08x = 451,259.24 × 90,482.16
  4. Step 4: Simplify right side
    300,900.08x = 40,830,910,755.16
  5. Step 5: Solve for x
    x = 40,830,910,755.16/300,900.08
  6. Step 6: Final answer
    x = 135,695.91

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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.