Home / 668,675.40-1,003,009.56-163,239.06

Finding the Fourth Proportional to 668,675.40, 1,003,009.56 and 163,239.06

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Solution

The fourth proportional to 668,675.40, 1,003,009.56 and 163,239.06 is: 244,857.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,675.40 : 1,003,009.56 = 163,239.06 : x
  2. Step 2: Convert to fraction form
    668,675.40/1,003,009.56 = 163,239.06/x
  3. Step 3: Cross multiply
    668,675.40x = 1,003,009.56 × 163,239.06
  4. Step 4: Simplify right side
    668,675.40x = 163,730,337,745.41
  5. Step 5: Solve for x
    x = 163,730,337,745.41/668,675.40
  6. Step 6: Final answer
    x = 244,857.73

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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.