Home / 305,977.73-458,857.98-89,776.13

Finding the Fourth Proportional to 305,977.73, 458,857.98 and 89,776.13

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Solution

The fourth proportional to 305,977.73, 458,857.98 and 89,776.13 is: 134,632.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,977.73 : 458,857.98 = 89,776.13 : x
  2. Step 2: Convert to fraction form
    305,977.73/458,857.98 = 89,776.13/x
  3. Step 3: Cross multiply
    305,977.73x = 458,857.98 × 89,776.13
  4. Step 4: Simplify right side
    305,977.73x = 41,194,491,369.73
  5. Step 5: Solve for x
    x = 41,194,491,369.73/305,977.73
  6. Step 6: Final answer
    x = 134,632.32

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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.