Home / 209,353.14-288,982.49-124,470

Finding the Fourth Proportional to 209,353.14, 288,982.49 and 124,470

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Solution

The fourth proportional to 209,353.14, 288,982.49 and 124,470 is: 171,813.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,353.14 : 288,982.49 = 124,470 : x
  2. Step 2: Convert to fraction form
    209,353.14/288,982.49 = 124,470/x
  3. Step 3: Cross multiply
    209,353.14x = 288,982.49 × 124,470
  4. Step 4: Simplify right side
    209,353.14x = 35,969,649,907.95
  5. Step 5: Solve for x
    x = 35,969,649,907.95/209,353.14
  6. Step 6: Final answer
    x = 171,813.28

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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.