Home / 305,540.10-458,132.54-204,453.68

Finding the Fourth Proportional to 305,540.10, 458,132.54 and 204,453.68

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Solution

The fourth proportional to 305,540.10, 458,132.54 and 204,453.68 is: 306,561.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,540.10 : 458,132.54 = 204,453.68 : x
  2. Step 2: Convert to fraction form
    305,540.10/458,132.54 = 204,453.68/x
  3. Step 3: Cross multiply
    305,540.10x = 458,132.54 × 204,453.68
  4. Step 4: Simplify right side
    305,540.10x = 93,666,880,417.82
  5. Step 5: Solve for x
    x = 93,666,880,417.82/305,540.10
  6. Step 6: Final answer
    x = 306,561.66

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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.