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Finding the Fourth Proportional to 204,745.60, 307,118.40 and 187,030.90

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Solution

The fourth proportional to 204,745.60, 307,118.40 and 187,030.90 is: 280,546.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,745.60 : 307,118.40 = 187,030.90 : x
  2. Step 2: Convert to fraction form
    204,745.60/307,118.40 = 187,030.90/x
  3. Step 3: Cross multiply
    204,745.60x = 307,118.40 × 187,030.90
  4. Step 4: Simplify right side
    204,745.60x = 57,440,630,758.56
  5. Step 5: Solve for x
    x = 57,440,630,758.56/204,745.60
  6. Step 6: Final answer
    x = 280,546.35

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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.