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Finding the Fourth Proportional to 550,018.76, 825,263.40 and 230,245.34

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Solution

The fourth proportional to 550,018.76, 825,263.40 and 230,245.34 is: 345,466.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,018.76 : 825,263.40 = 230,245.34 : x
  2. Step 2: Convert to fraction form
    550,018.76/825,263.40 = 230,245.34/x
  3. Step 3: Cross multiply
    550,018.76x = 825,263.40 × 230,245.34
  4. Step 4: Simplify right side
    550,018.76x = 190,013,052,122.56
  5. Step 5: Solve for x
    x = 190,013,052,122.56/550,018.76
  6. Step 6: Final answer
    x = 345,466.49

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1.5x scale

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.