Home / 303,706.20-455,235.66-228,594.06

Finding the Fourth Proportional to 303,706.20, 455,235.66 and 228,594.06

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Solution

The fourth proportional to 303,706.20, 455,235.66 and 228,594.06 is: 342,647.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,706.20 : 455,235.66 = 228,594.06 : x
  2. Step 2: Convert to fraction form
    303,706.20/455,235.66 = 228,594.06/x
  3. Step 3: Cross multiply
    303,706.20x = 455,235.66 × 228,594.06
  4. Step 4: Simplify right side
    303,706.20x = 104,064,167,776.18
  5. Step 5: Solve for x
    x = 104,064,167,776.18/303,706.20
  6. Step 6: Final answer
    x = 342,647.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.