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Finding the Fourth Proportional to 496,709.80, 744,542.98 and 243,639.88

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Solution

The fourth proportional to 496,709.80, 744,542.98 and 243,639.88 is: 365,203.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,709.80 : 744,542.98 = 243,639.88 : x
  2. Step 2: Convert to fraction form
    496,709.80/744,542.98 = 243,639.88/x
  3. Step 3: Cross multiply
    496,709.80x = 744,542.98 × 243,639.88
  4. Step 4: Simplify right side
    496,709.80x = 181,400,362,302.04
  5. Step 5: Solve for x
    x = 181,400,362,302.04/496,709.80
  6. Step 6: Final answer
    x = 365,203.91

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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.