Home / 338,868.37-507,972.07-161,327.71

Finding the Fourth Proportional to 338,868.37, 507,972.07 and 161,327.71

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Solution

The fourth proportional to 338,868.37, 507,972.07 and 161,327.71 is: 241,834.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,868.37 : 507,972.07 = 161,327.71 : x
  2. Step 2: Convert to fraction form
    338,868.37/507,972.07 = 161,327.71/x
  3. Step 3: Cross multiply
    338,868.37x = 507,972.07 × 161,327.71
  4. Step 4: Simplify right side
    338,868.37x = 81,949,969,123.81
  5. Step 5: Solve for x
    x = 81,949,969,123.81/338,868.37
  6. Step 6: Final answer
    x = 241,834.23

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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.