Home / 670,150.06-1,005,211.26-220,897.90

Finding the Fourth Proportional to 670,150.06, 1,005,211.26 and 220,897.90

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Solution

The fourth proportional to 670,150.06, 1,005,211.26 and 220,897.90 is: 331,342.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,150.06 : 1,005,211.26 = 220,897.90 : x
  2. Step 2: Convert to fraction form
    670,150.06/1,005,211.26 = 220,897.90/x
  3. Step 3: Cross multiply
    670,150.06x = 1,005,211.26 × 220,897.90
  4. Step 4: Simplify right side
    670,150.06x = 222,049,056,390.35
  5. Step 5: Solve for x
    x = 222,049,056,390.35/670,150.06
  6. Step 6: Final answer
    x = 331,342.29

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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.