Home / 268,576.40-402,427.20-197,717.60

Finding the Fourth Proportional to 268,576.40, 402,427.20 and 197,717.60

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Solution

The fourth proportional to 268,576.40, 402,427.20 and 197,717.60 is: 296,254.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,576.40 : 402,427.20 = 197,717.60 : x
  2. Step 2: Convert to fraction form
    268,576.40/402,427.20 = 197,717.60/x
  3. Step 3: Cross multiply
    268,576.40x = 402,427.20 × 197,717.60
  4. Step 4: Simplify right side
    268,576.40x = 79,566,940,158.72
  5. Step 5: Solve for x
    x = 79,566,940,158.72/268,576.40
  6. Step 6: Final answer
    x = 296,254.40

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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.