Home / 364,631.22-503,188.17-211,683.61

Finding the Fourth Proportional to 364,631.22, 503,188.17 and 211,683.61

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Solution

The fourth proportional to 364,631.22, 503,188.17 and 211,683.61 is: 292,121.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,631.22 : 503,188.17 = 211,683.61 : x
  2. Step 2: Convert to fraction form
    364,631.22/503,188.17 = 211,683.61/x
  3. Step 3: Cross multiply
    364,631.22x = 503,188.17 × 211,683.61
  4. Step 4: Simplify right side
    364,631.22x = 106,516,687,870.74
  5. Step 5: Solve for x
    x = 106,516,687,870.74/364,631.22
  6. Step 6: Final answer
    x = 292,121.69

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1.5x scale

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.