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Finding the Fourth Proportional to 671,663.00, 1,007,529.10 and 191,852.96

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Solution

The fourth proportional to 671,663.00, 1,007,529.10 and 191,852.96 is: 287,789.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,663.00 : 1,007,529.10 = 191,852.96 : x
  2. Step 2: Convert to fraction form
    671,663.00/1,007,529.10 = 191,852.96/x
  3. Step 3: Cross multiply
    671,663.00x = 1,007,529.10 × 191,852.96
  4. Step 4: Simplify right side
    671,663.00x = 193,297,434,603.86
  5. Step 5: Solve for x
    x = 193,297,434,603.86/671,663.00
  6. Step 6: Final answer
    x = 287,789.31

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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.