Home / 452,024.56-677,790.78-136,440.46

Finding the Fourth Proportional to 452,024.56, 677,790.78 and 136,440.46

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Solution

The fourth proportional to 452,024.56, 677,790.78 and 136,440.46 is: 204,586.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,024.56 : 677,790.78 = 136,440.46 : x
  2. Step 2: Convert to fraction form
    452,024.56/677,790.78 = 136,440.46/x
  3. Step 3: Cross multiply
    452,024.56x = 677,790.78 × 136,440.46
  4. Step 4: Simplify right side
    452,024.56x = 92,478,085,806.96
  5. Step 5: Solve for x
    x = 92,478,085,806.96/452,024.56
  6. Step 6: Final answer
    x = 204,586.42

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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.