Home / 397,634.08-548,740.44-216,348.16

Finding the Fourth Proportional to 397,634.08, 548,740.44 and 216,348.16

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Solution

The fourth proportional to 397,634.08, 548,740.44 and 216,348.16 is: 298,563.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,634.08 : 548,740.44 = 216,348.16 : x
  2. Step 2: Convert to fraction form
    397,634.08/548,740.44 = 216,348.16/x
  3. Step 3: Cross multiply
    397,634.08x = 548,740.44 × 216,348.16
  4. Step 4: Simplify right side
    397,634.08x = 118,718,984,511.59
  5. Step 5: Solve for x
    x = 118,718,984,511.59/397,634.08
  6. Step 6: Final answer
    x = 298,563.40

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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.