Home / 373,346.30-515,257.35-228,237.03

Finding the Fourth Proportional to 373,346.30, 515,257.35 and 228,237.03

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Solution

The fourth proportional to 373,346.30, 515,257.35 and 228,237.03 is: 314,991.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,346.30 : 515,257.35 = 228,237.03 : x
  2. Step 2: Convert to fraction form
    373,346.30/515,257.35 = 228,237.03/x
  3. Step 3: Cross multiply
    373,346.30x = 515,257.35 × 228,237.03
  4. Step 4: Simplify right side
    373,346.30x = 117,600,807,249.67
  5. Step 5: Solve for x
    x = 117,600,807,249.67/373,346.30
  6. Step 6: Final answer
    x = 314,991.23

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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.