Home / 421,212.06-631,928.88-151,367.46

Finding the Fourth Proportional to 421,212.06, 631,928.88 and 151,367.46

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Solution

The fourth proportional to 421,212.06, 631,928.88 and 151,367.46 is: 227,091.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,212.06 : 631,928.88 = 151,367.46 : x
  2. Step 2: Convert to fraction form
    421,212.06/631,928.88 = 151,367.46/x
  3. Step 3: Cross multiply
    421,212.06x = 631,928.88 × 151,367.46
  4. Step 4: Simplify right side
    421,212.06x = 95,653,469,466.24
  5. Step 5: Solve for x
    x = 95,653,469,466.24/421,212.06
  6. Step 6: Final answer
    x = 227,091.00

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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.