Home / 330,199.64-455,396.43-228,063.25

Finding the Fourth Proportional to 330,199.64, 455,396.43 and 228,063.25

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Solution

The fourth proportional to 330,199.64, 455,396.43 and 228,063.25 is: 314,534.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,199.64 : 455,396.43 = 228,063.25 : x
  2. Step 2: Convert to fraction form
    330,199.64/455,396.43 = 228,063.25/x
  3. Step 3: Cross multiply
    330,199.64x = 455,396.43 × 228,063.25
  4. Step 4: Simplify right side
    330,199.64x = 103,859,187,444.22
  5. Step 5: Solve for x
    x = 103,859,187,444.22/330,199.64
  6. Step 6: Final answer
    x = 314,534.53

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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.