Home / 307,332.45-424,117.20-178,297.02

Finding the Fourth Proportional to 307,332.45, 424,117.20 and 178,297.02

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Solution

The fourth proportional to 307,332.45, 424,117.20 and 178,297.02 is: 246,048.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,332.45 : 424,117.20 = 178,297.02 : x
  2. Step 2: Convert to fraction form
    307,332.45/424,117.20 = 178,297.02/x
  3. Step 3: Cross multiply
    307,332.45x = 424,117.20 × 178,297.02
  4. Step 4: Simplify right side
    307,332.45x = 75,618,832,890.74
  5. Step 5: Solve for x
    x = 75,618,832,890.74/307,332.45
  6. Step 6: Final answer
    x = 246,048.97

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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.