Home / 259,298.40-388,792.02-101,338.68

Finding the Fourth Proportional to 259,298.40, 388,792.02 and 101,338.68

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Solution

The fourth proportional to 259,298.40, 388,792.02 and 101,338.68 is: 151,947.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,298.40 : 388,792.02 = 101,338.68 : x
  2. Step 2: Convert to fraction form
    259,298.40/388,792.02 = 101,338.68/x
  3. Step 3: Cross multiply
    259,298.40x = 388,792.02 × 101,338.68
  4. Step 4: Simplify right side
    259,298.40x = 39,399,670,101.33
  5. Step 5: Solve for x
    x = 39,399,670,101.33/259,298.40
  6. Step 6: Final answer
    x = 151,947.22

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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.