Home / 668,005.40-1,002,008.10-162,562.37

Finding the Fourth Proportional to 668,005.40, 1,002,008.10 and 162,562.37

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Solution

The fourth proportional to 668,005.40, 1,002,008.10 and 162,562.37 is: 243,843.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,005.40 : 1,002,008.10 = 162,562.37 : x
  2. Step 2: Convert to fraction form
    668,005.40/1,002,008.10 = 162,562.37/x
  3. Step 3: Cross multiply
    668,005.40x = 1,002,008.10 × 162,562.37
  4. Step 4: Simplify right side
    668,005.40x = 162,888,806,485.16
  5. Step 5: Solve for x
    x = 162,888,806,485.16/668,005.40
  6. Step 6: Final answer
    x = 243,843.55

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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.