Home / 668,001.40-1,002,002.10-162,558.36

Finding the Fourth Proportional to 668,001.40, 1,002,002.10 and 162,558.36

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Solution

The fourth proportional to 668,001.40, 1,002,002.10 and 162,558.36 is: 243,837.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,001.40 : 1,002,002.10 = 162,558.36 : x
  2. Step 2: Convert to fraction form
    668,001.40/1,002,002.10 = 162,558.36/x
  3. Step 3: Cross multiply
    668,001.40x = 1,002,002.10 × 162,558.36
  4. Step 4: Simplify right side
    668,001.40x = 162,883,818,092.56
  5. Step 5: Solve for x
    x = 162,883,818,092.56/668,001.40
  6. Step 6: Final answer
    x = 243,837.54

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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.