Home / 397,821.66-549,020.07-228,058.62

Finding the Fourth Proportional to 397,821.66, 549,020.07 and 228,058.62

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Solution

The fourth proportional to 397,821.66, 549,020.07 and 228,058.62 is: 314,735.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,821.66 : 549,020.07 = 228,058.62 : x
  2. Step 2: Convert to fraction form
    397,821.66/549,020.07 = 228,058.62/x
  3. Step 3: Cross multiply
    397,821.66x = 549,020.07 × 228,058.62
  4. Step 4: Simplify right side
    397,821.66x = 125,208,759,516.50
  5. Step 5: Solve for x
    x = 125,208,759,516.50/397,821.66
  6. Step 6: Final answer
    x = 314,735.90

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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.