Home / 339,869.54-468,903.15-210,761.60

Finding the Fourth Proportional to 339,869.54, 468,903.15 and 210,761.60

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Solution

The fourth proportional to 339,869.54, 468,903.15 and 210,761.60 is: 290,778.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,869.54 : 468,903.15 = 210,761.60 : x
  2. Step 2: Convert to fraction form
    339,869.54/468,903.15 = 210,761.60/x
  3. Step 3: Cross multiply
    339,869.54x = 468,903.15 × 210,761.60
  4. Step 4: Simplify right side
    339,869.54x = 98,826,778,139.04
  5. Step 5: Solve for x
    x = 98,826,778,139.04/339,869.54
  6. Step 6: Final answer
    x = 290,778.57

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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.