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Finding the Fourth Proportional to 404,503.32, 606,597.26 and 151,645.96

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Solution

The fourth proportional to 404,503.32, 606,597.26 and 151,645.96 is: 227,409.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,503.32 : 606,597.26 = 151,645.96 : x
  2. Step 2: Convert to fraction form
    404,503.32/606,597.26 = 151,645.96/x
  3. Step 3: Cross multiply
    404,503.32x = 606,597.26 × 151,645.96
  4. Step 4: Simplify right side
    404,503.32x = 91,988,023,826.07
  5. Step 5: Solve for x
    x = 91,988,023,826.07/404,503.32
  6. Step 6: Final answer
    x = 227,409.81

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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.