Home / 420,972.33-631,170.26-151,094.48

Finding the Fourth Proportional to 420,972.33, 631,170.26 and 151,094.48

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Solution

The fourth proportional to 420,972.33, 631,170.26 and 151,094.48 is: 226,538.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,972.33 : 631,170.26 = 151,094.48 : x
  2. Step 2: Convert to fraction form
    420,972.33/631,170.26 = 151,094.48/x
  3. Step 3: Cross multiply
    420,972.33x = 631,170.26 × 151,094.48
  4. Step 4: Simplify right side
    420,972.33x = 95,366,338,881.45
  5. Step 5: Solve for x
    x = 95,366,338,881.45/420,972.33
  6. Step 6: Final answer
    x = 226,538.26

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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.