Home / 248,870.20-373,305.30-91,211.80

Finding the Fourth Proportional to 248,870.20, 373,305.30 and 91,211.80

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Solution

The fourth proportional to 248,870.20, 373,305.30 and 91,211.80 is: 136,817.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,870.20 : 373,305.30 = 91,211.80 : x
  2. Step 2: Convert to fraction form
    248,870.20/373,305.30 = 91,211.80/x
  3. Step 3: Cross multiply
    248,870.20x = 373,305.30 × 91,211.80
  4. Step 4: Simplify right side
    248,870.20x = 34,049,848,362.54
  5. Step 5: Solve for x
    x = 34,049,848,362.54/248,870.20
  6. Step 6: Final answer
    x = 136,817.70

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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.