Home / 397,366.02-548,371.62-216,081.54

Finding the Fourth Proportional to 397,366.02, 548,371.62 and 216,081.54

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Solution

The fourth proportional to 397,366.02, 548,371.62 and 216,081.54 is: 298,196.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,366.02 : 548,371.62 = 216,081.54 : x
  2. Step 2: Convert to fraction form
    397,366.02/548,371.62 = 216,081.54/x
  3. Step 3: Cross multiply
    397,366.02x = 548,371.62 × 216,081.54
  4. Step 4: Simplify right side
    397,366.02x = 118,492,984,141.90
  5. Step 5: Solve for x
    x = 118,492,984,141.90/397,366.02
  6. Step 6: Final answer
    x = 298,196.07

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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.