Home / 397,094.18-547,993.41-215,806.15

Finding the Fourth Proportional to 397,094.18, 547,993.41 and 215,806.15

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Solution

The fourth proportional to 397,094.18, 547,993.41 and 215,806.15 is: 297,814.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,094.18 : 547,993.41 = 215,806.15 : x
  2. Step 2: Convert to fraction form
    397,094.18/547,993.41 = 215,806.15/x
  3. Step 3: Cross multiply
    397,094.18x = 547,993.41 × 215,806.15
  4. Step 4: Simplify right side
    397,094.18x = 118,260,346,044.64
  5. Step 5: Solve for x
    x = 118,260,346,044.64/397,094.18
  6. Step 6: Final answer
    x = 297,814.35

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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.