Home / 410,137.20-614,094.12-212,730.48

Finding the Fourth Proportional to 410,137.20, 614,094.12 and 212,730.48

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Solution

The fourth proportional to 410,137.20, 614,094.12 and 212,730.48 is: 318,519.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,137.20 : 614,094.12 = 212,730.48 : x
  2. Step 2: Convert to fraction form
    410,137.20/614,094.12 = 212,730.48/x
  3. Step 3: Cross multiply
    410,137.20x = 614,094.12 × 212,730.48
  4. Step 4: Simplify right side
    410,137.20x = 130,636,536,912.78
  5. Step 5: Solve for x
    x = 130,636,536,912.78/410,137.20
  6. Step 6: Final answer
    x = 318,519.11

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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.