Home / 301,247.40-451,874.30-90,887.16

Finding the Fourth Proportional to 301,247.40, 451,874.30 and 90,887.16

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Solution

The fourth proportional to 301,247.40, 451,874.30 and 90,887.16 is: 136,331.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,247.40 : 451,874.30 = 90,887.16 : x
  2. Step 2: Convert to fraction form
    301,247.40/451,874.30 = 90,887.16/x
  3. Step 3: Cross multiply
    301,247.40x = 451,874.30 × 90,887.16
  4. Step 4: Simplify right side
    301,247.40x = 41,069,571,803.99
  5. Step 5: Solve for x
    x = 41,069,571,803.99/301,247.40
  6. Step 6: Final answer
    x = 136,331.71

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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.