Home / 397,258.03-548,226.90-215,982.16

Finding the Fourth Proportional to 397,258.03, 548,226.90 and 215,982.16

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Solution

The fourth proportional to 397,258.03, 548,226.90 and 215,982.16 is: 298,061.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,258.03 : 548,226.90 = 215,982.16 : x
  2. Step 2: Convert to fraction form
    397,258.03/548,226.90 = 215,982.16/x
  3. Step 3: Cross multiply
    397,258.03x = 548,226.90 × 215,982.16
  4. Step 4: Simplify right side
    397,258.03x = 118,407,230,032.10
  5. Step 5: Solve for x
    x = 118,407,230,032.10/397,258.03
  6. Step 6: Final answer
    x = 298,061.26

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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.