Home / 397,629.89-548,734.88-216,341.95

Finding the Fourth Proportional to 397,629.89, 548,734.88 and 216,341.95

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Solution

The fourth proportional to 397,629.89, 548,734.88 and 216,341.95 is: 298,554.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,629.89 : 548,734.88 = 216,341.95 : x
  2. Step 2: Convert to fraction form
    397,629.89/548,734.88 = 216,341.95/x
  3. Step 3: Cross multiply
    397,629.89x = 548,734.88 × 216,341.95
  4. Step 4: Simplify right side
    397,629.89x = 118,714,372,329.95
  5. Step 5: Solve for x
    x = 118,714,372,329.95/397,629.89
  6. Step 6: Final answer
    x = 298,554.95

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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.