Home / 413,551.49-619,775.37-221,031.27

Finding the Fourth Proportional to 413,551.49, 619,775.37 and 221,031.27

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Solution

The fourth proportional to 413,551.49, 619,775.37 and 221,031.27 is: 331,251.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,551.49 : 619,775.37 = 221,031.27 : x
  2. Step 2: Convert to fraction form
    413,551.49/619,775.37 = 221,031.27/x
  3. Step 3: Cross multiply
    413,551.49x = 619,775.37 × 221,031.27
  4. Step 4: Simplify right side
    413,551.49x = 136,989,737,145.82
  5. Step 5: Solve for x
    x = 136,989,737,145.82/413,551.49
  6. Step 6: Final answer
    x = 331,251.95

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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.