Home / 305,752.24-421,941.03-178,403.23

Finding the Fourth Proportional to 305,752.24, 421,941.03 and 178,403.23

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Solution

The fourth proportional to 305,752.24, 421,941.03 and 178,403.23 is: 246,198.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,752.24 : 421,941.03 = 178,403.23 : x
  2. Step 2: Convert to fraction form
    305,752.24/421,941.03 = 178,403.23/x
  3. Step 3: Cross multiply
    305,752.24x = 421,941.03 × 178,403.23
  4. Step 4: Simplify right side
    305,752.24x = 75,275,642,621.53
  5. Step 5: Solve for x
    x = 75,275,642,621.53/305,752.24
  6. Step 6: Final answer
    x = 246,198.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.