Home / 228,018.20-342,027.30-201,774.20

Finding the Fourth Proportional to 228,018.20, 342,027.30 and 201,774.20

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Solution

The fourth proportional to 228,018.20, 342,027.30 and 201,774.20 is: 302,661.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,018.20 : 342,027.30 = 201,774.20 : x
  2. Step 2: Convert to fraction form
    228,018.20/342,027.30 = 201,774.20/x
  3. Step 3: Cross multiply
    228,018.20x = 342,027.30 × 201,774.20
  4. Step 4: Simplify right side
    228,018.20x = 69,012,284,835.66
  5. Step 5: Solve for x
    x = 69,012,284,835.66/228,018.20
  6. Step 6: Final answer
    x = 302,661.30

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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.