Home / 421,224.06-631,946.88-151,379.46

Finding the Fourth Proportional to 421,224.06, 631,946.88 and 151,379.46

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Solution

The fourth proportional to 421,224.06, 631,946.88 and 151,379.46 is: 227,109.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,224.06 : 631,946.88 = 151,379.46 : x
  2. Step 2: Convert to fraction form
    421,224.06/631,946.88 = 151,379.46/x
  3. Step 3: Cross multiply
    421,224.06x = 631,946.88 × 151,379.46
  4. Step 4: Simplify right side
    421,224.06x = 95,663,777,443.08
  5. Step 5: Solve for x
    x = 95,663,777,443.08/421,224.06
  6. Step 6: Final answer
    x = 227,109.01

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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.