Home / 307,335.45-424,121.34-178,300.02

Finding the Fourth Proportional to 307,335.45, 424,121.34 and 178,300.02

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Solution

The fourth proportional to 307,335.45, 424,121.34 and 178,300.02 is: 246,053.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,335.45 : 424,121.34 = 178,300.02 : x
  2. Step 2: Convert to fraction form
    307,335.45/424,121.34 = 178,300.02/x
  3. Step 3: Cross multiply
    307,335.45x = 424,121.34 × 178,300.02
  4. Step 4: Simplify right side
    307,335.45x = 75,620,843,404.43
  5. Step 5: Solve for x
    x = 75,620,843,404.43/307,335.45
  6. Step 6: Final answer
    x = 246,053.11

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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.