Home / 322,927.45-484,415.78-98,307.09

Finding the Fourth Proportional to 322,927.45, 484,415.78 and 98,307.09

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Solution

The fourth proportional to 322,927.45, 484,415.78 and 98,307.09 is: 147,468.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,927.45 : 484,415.78 = 98,307.09 : x
  2. Step 2: Convert to fraction form
    322,927.45/484,415.78 = 98,307.09/x
  3. Step 3: Cross multiply
    322,927.45x = 484,415.78 × 98,307.09
  4. Step 4: Simplify right side
    322,927.45x = 47,621,505,190.34
  5. Step 5: Solve for x
    x = 47,621,505,190.34/322,927.45
  6. Step 6: Final answer
    x = 147,468.12

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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.