Home / 198,211.40-297,314.52-48,453.00

Finding the Fourth Proportional to 198,211.40, 297,314.52 and 48,453.00

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Solution

The fourth proportional to 198,211.40, 297,314.52 and 48,453.00 is: 72,678.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,211.40 : 297,314.52 = 48,453.00 : x
  2. Step 2: Convert to fraction form
    198,211.40/297,314.52 = 48,453.00/x
  3. Step 3: Cross multiply
    198,211.40x = 297,314.52 × 48,453.00
  4. Step 4: Simplify right side
    198,211.40x = 14,405,780,813.33
  5. Step 5: Solve for x
    x = 14,405,780,813.33/198,211.40
  6. Step 6: Final answer
    x = 72,678.87

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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.