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Finding the Fourth Proportional to 364,920.66, 503,591.22 and 203,775.21

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Solution

The fourth proportional to 364,920.66, 503,591.22 and 203,775.21 is: 281,210.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,920.66 : 503,591.22 = 203,775.21 : x
  2. Step 2: Convert to fraction form
    364,920.66/503,591.22 = 203,775.21/x
  3. Step 3: Cross multiply
    364,920.66x = 503,591.22 × 203,775.21
  4. Step 4: Simplify right side
    364,920.66x = 102,619,406,609.66
  5. Step 5: Solve for x
    x = 102,619,406,609.66/364,920.66
  6. Step 6: Final answer
    x = 281,210.19

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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.