Home / 256,976.04-385,542.93-114,940.82

Finding the Fourth Proportional to 256,976.04, 385,542.93 and 114,940.82

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Solution

The fourth proportional to 256,976.04, 385,542.93 and 114,940.82 is: 172,446.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,976.04 : 385,542.93 = 114,940.82 : x
  2. Step 2: Convert to fraction form
    256,976.04/385,542.93 = 114,940.82/x
  3. Step 3: Cross multiply
    256,976.04x = 385,542.93 × 114,940.82
  4. Step 4: Simplify right side
    256,976.04x = 44,314,620,519.40
  5. Step 5: Solve for x
    x = 44,314,620,519.40/256,976.04
  6. Step 6: Final answer
    x = 172,446.51

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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.