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Finding the Fourth Proportional to 499,776.52, 749,663.86 and 162,816.77

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Solution

The fourth proportional to 499,776.52, 749,663.86 and 162,816.77 is: 244,224.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,776.52 : 749,663.86 = 162,816.77 : x
  2. Step 2: Convert to fraction form
    499,776.52/749,663.86 = 162,816.77/x
  3. Step 3: Cross multiply
    499,776.52x = 749,663.86 × 162,816.77
  4. Step 4: Simplify right side
    499,776.52x = 122,057,848,270.93
  5. Step 5: Solve for x
    x = 122,057,848,270.93/499,776.52
  6. Step 6: Final answer
    x = 244,224.86

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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.