Home / 297,929.15-446,295.37-137,780.61

Finding the Fourth Proportional to 297,929.15, 446,295.37 and 137,780.61

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Solution

The fourth proportional to 297,929.15, 446,295.37 and 137,780.61 is: 206,394.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,929.15 : 446,295.37 = 137,780.61 : x
  2. Step 2: Convert to fraction form
    297,929.15/446,295.37 = 137,780.61/x
  3. Step 3: Cross multiply
    297,929.15x = 446,295.37 × 137,780.61
  4. Step 4: Simplify right side
    297,929.15x = 61,490,847,629.87
  5. Step 5: Solve for x
    x = 61,490,847,629.87/297,929.15
  6. Step 6: Final answer
    x = 206,394.20

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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.