Home / 403,223.27-604,630.78-225,682.61

Finding the Fourth Proportional to 403,223.27, 604,630.78 and 225,682.61

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Solution

The fourth proportional to 403,223.27, 604,630.78 and 225,682.61 is: 338,409.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,223.27 : 604,630.78 = 225,682.61 : x
  2. Step 2: Convert to fraction form
    403,223.27/604,630.78 = 225,682.61/x
  3. Step 3: Cross multiply
    403,223.27x = 604,630.78 × 225,682.61
  4. Step 4: Simplify right side
    403,223.27x = 136,454,648,929.38
  5. Step 5: Solve for x
    x = 136,454,648,929.38/403,223.27
  6. Step 6: Final answer
    x = 338,409.66

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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.