Home / 397,754.20-548,897.10-216,466.36

Finding the Fourth Proportional to 397,754.20, 548,897.10 and 216,466.36

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Solution

The fourth proportional to 397,754.20, 548,897.10 and 216,466.36 is: 298,721.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,754.20 : 548,897.10 = 216,466.36 : x
  2. Step 2: Convert to fraction form
    397,754.20/548,897.10 = 216,466.36/x
  3. Step 3: Cross multiply
    397,754.20x = 548,897.10 × 216,466.36
  4. Step 4: Simplify right side
    397,754.20x = 118,817,757,251.56
  5. Step 5: Solve for x
    x = 118,817,757,251.56/397,754.20
  6. Step 6: Final answer
    x = 298,721.57

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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.