Home / 245,569.20-338,683.32-144,870

Finding the Fourth Proportional to 245,569.20, 338,683.32 and 144,870

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Solution

The fourth proportional to 245,569.20, 338,683.32 and 144,870 is: 199,801.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,569.20 : 338,683.32 = 144,870 : x
  2. Step 2: Convert to fraction form
    245,569.20/338,683.32 = 144,870/x
  3. Step 3: Cross multiply
    245,569.20x = 338,683.32 × 144,870
  4. Step 4: Simplify right side
    245,569.20x = 49,065,052,568.40
  5. Step 5: Solve for x
    x = 49,065,052,568.40/245,569.20
  6. Step 6: Final answer
    x = 199,801.33

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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.