Home / 409,135.15-564,566.09-227,863.94

Finding the Fourth Proportional to 409,135.15, 564,566.09 and 227,863.94

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Solution

The fourth proportional to 409,135.15, 564,566.09 and 227,863.94 is: 314,429.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,135.15 : 564,566.09 = 227,863.94 : x
  2. Step 2: Convert to fraction form
    409,135.15/564,566.09 = 227,863.94/x
  3. Step 3: Cross multiply
    409,135.15x = 564,566.09 × 227,863.94
  4. Step 4: Simplify right side
    409,135.15x = 128,644,254,401.77
  5. Step 5: Solve for x
    x = 128,644,254,401.77/409,135.15
  6. Step 6: Final answer
    x = 314,429.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.