Home / 373,392.32-515,321.36-228,283.25

Finding the Fourth Proportional to 373,392.32, 515,321.36 and 228,283.25

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Solution

The fourth proportional to 373,392.32, 515,321.36 and 228,283.25 is: 315,055.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,392.32 : 515,321.36 = 228,283.25 : x
  2. Step 2: Convert to fraction form
    373,392.32/515,321.36 = 228,283.25/x
  3. Step 3: Cross multiply
    373,392.32x = 515,321.36 × 228,283.25
  4. Step 4: Simplify right side
    373,392.32x = 117,639,231,993.26
  5. Step 5: Solve for x
    x = 117,639,231,993.26/373,392.32
  6. Step 6: Final answer
    x = 315,055.31

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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.