Home / 316,255.62-436,172.94-225,582.60

Finding the Fourth Proportional to 316,255.62, 436,172.94 and 225,582.60

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Solution

The fourth proportional to 316,255.62, 436,172.94 and 225,582.60 is: 311,118.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,255.62 : 436,172.94 = 225,582.60 : x
  2. Step 2: Convert to fraction form
    316,255.62/436,172.94 = 225,582.60/x
  3. Step 3: Cross multiply
    316,255.62x = 436,172.94 × 225,582.60
  4. Step 4: Simplify right side
    316,255.62x = 98,393,025,854.84
  5. Step 5: Solve for x
    x = 98,393,025,854.84/316,255.62
  6. Step 6: Final answer
    x = 311,118.66

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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.