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Finding the Fourth Proportional to 496,360.61, 744,622.93 and 196,842.76

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Solution

The fourth proportional to 496,360.61, 744,622.93 and 196,842.76 is: 295,296.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,360.61 : 744,622.93 = 196,842.76 : x
  2. Step 2: Convert to fraction form
    496,360.61/744,622.93 = 196,842.76/x
  3. Step 3: Cross multiply
    496,360.61x = 744,622.93 × 196,842.76
  4. Step 4: Simplify right side
    496,360.61x = 146,573,629,977.74
  5. Step 5: Solve for x
    x = 146,573,629,977.74/496,360.61
  6. Step 6: Final answer
    x = 295,296.66

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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.