Home / 486,944.46-730,453.44-145,360.95

Finding the Fourth Proportional to 486,944.46, 730,453.44 and 145,360.95

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Solution

The fourth proportional to 486,944.46, 730,453.44 and 145,360.95 is: 218,052.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,944.46 : 730,453.44 = 145,360.95 : x
  2. Step 2: Convert to fraction form
    486,944.46/730,453.44 = 145,360.95/x
  3. Step 3: Cross multiply
    486,944.46x = 730,453.44 × 145,360.95
  4. Step 4: Simplify right side
    486,944.46x = 106,179,403,775.07
  5. Step 5: Solve for x
    x = 106,179,403,775.07/486,944.46
  6. Step 6: Final answer
    x = 218,052.39

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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.