Home / 419,835.12-629,572.77-195,172.13

Finding the Fourth Proportional to 419,835.12, 629,572.77 and 195,172.13

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Solution

The fourth proportional to 419,835.12, 629,572.77 and 195,172.13 is: 292,674.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,835.12 : 629,572.77 = 195,172.13 : x
  2. Step 2: Convert to fraction form
    419,835.12/629,572.77 = 195,172.13/x
  3. Step 3: Cross multiply
    419,835.12x = 629,572.77 × 195,172.13
  4. Step 4: Simplify right side
    419,835.12x = 122,875,055,363.04
  5. Step 5: Solve for x
    x = 122,875,055,363.04/419,835.12
  6. Step 6: Final answer
    x = 292,674.55

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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.