Home / 493,163.06-680,526.25-302,150.48

Finding the Fourth Proportional to 493,163.06, 680,526.25 and 302,150.48

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Solution

The fourth proportional to 493,163.06, 680,526.25 and 302,150.48 is: 416,943.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,163.06 : 680,526.25 = 302,150.48 : x
  2. Step 2: Convert to fraction form
    493,163.06/680,526.25 = 302,150.48/x
  3. Step 3: Cross multiply
    493,163.06x = 680,526.25 × 302,150.48
  4. Step 4: Simplify right side
    493,163.06x = 205,621,329,687.47
  5. Step 5: Solve for x
    x = 205,621,329,687.47/493,163.06
  6. Step 6: Final answer
    x = 416,943.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.