Home / 419,946.16-629,921.56-104,403.07

Finding the Fourth Proportional to 419,946.16, 629,921.56 and 104,403.07

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Solution

The fourth proportional to 419,946.16, 629,921.56 and 104,403.07 is: 156,605.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,946.16 : 629,921.56 = 104,403.07 : x
  2. Step 2: Convert to fraction form
    419,946.16/629,921.56 = 104,403.07/x
  3. Step 3: Cross multiply
    419,946.16x = 629,921.56 × 104,403.07
  4. Step 4: Simplify right side
    419,946.16x = 65,765,744,201.17
  5. Step 5: Solve for x
    x = 65,765,744,201.17/419,946.16
  6. Step 6: Final answer
    x = 156,605.18

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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.