Home / 303,840.45-419,214.51-174,772.17

Finding the Fourth Proportional to 303,840.45, 419,214.51 and 174,772.17

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Solution

The fourth proportional to 303,840.45, 419,214.51 and 174,772.17 is: 241,136.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,840.45 : 419,214.51 = 174,772.17 : x
  2. Step 2: Convert to fraction form
    303,840.45/419,214.51 = 174,772.17/x
  3. Step 3: Cross multiply
    303,840.45x = 419,214.51 × 174,772.17
  4. Step 4: Simplify right side
    303,840.45x = 73,267,029,608.19
  5. Step 5: Solve for x
    x = 73,267,029,608.19/303,840.45
  6. Step 6: Final answer
    x = 241,136.52

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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.