Home / 397,180.49-548,112.74-215,892.83

Finding the Fourth Proportional to 397,180.49, 548,112.74 and 215,892.83

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Solution

The fourth proportional to 397,180.49, 548,112.74 and 215,892.83 is: 297,934.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,180.49 : 548,112.74 = 215,892.83 : x
  2. Step 2: Convert to fraction form
    397,180.49/548,112.74 = 215,892.83/x
  3. Step 3: Cross multiply
    397,180.49x = 548,112.74 × 215,892.83
  4. Step 4: Simplify right side
    397,180.49x = 118,333,610,888.47
  5. Step 5: Solve for x
    x = 118,333,610,888.47/397,180.49
  6. Step 6: Final answer
    x = 297,934.10

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1.5x scale

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.