Home / 307,829.70-424,772.61-178,742.94

Finding the Fourth Proportional to 307,829.70, 424,772.61 and 178,742.94

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Solution

The fourth proportional to 307,829.70, 424,772.61 and 178,742.94 is: 246,646.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,829.70 : 424,772.61 = 178,742.94 : x
  2. Step 2: Convert to fraction form
    307,829.70/424,772.61 = 178,742.94/x
  3. Step 3: Cross multiply
    307,829.70x = 424,772.61 × 178,742.94
  4. Step 4: Simplify right side
    307,829.70x = 75,925,105,142.87
  5. Step 5: Solve for x
    x = 75,925,105,142.87/307,829.70
  6. Step 6: Final answer
    x = 246,646.46

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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.