Home / 373,610.60-515,659.34-228,441.18

Finding the Fourth Proportional to 373,610.60, 515,659.34 and 228,441.18

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Solution

The fourth proportional to 373,610.60, 515,659.34 and 228,441.18 is: 315,295.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,610.60 : 515,659.34 = 228,441.18 : x
  2. Step 2: Convert to fraction form
    373,610.60/515,659.34 = 228,441.18/x
  3. Step 3: Cross multiply
    373,610.60x = 515,659.34 × 228,441.18
  4. Step 4: Simplify right side
    373,610.60x = 117,797,828,678.72
  5. Step 5: Solve for x
    x = 117,797,828,678.72/373,610.60
  6. Step 6: Final answer
    x = 315,295.74

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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.