Home / 226,339.02-312,230.72-153,745.65

Finding the Fourth Proportional to 226,339.02, 312,230.72 and 153,745.65

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Solution

The fourth proportional to 226,339.02, 312,230.72 and 153,745.65 is: 212,089.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,339.02 : 312,230.72 = 153,745.65 : x
  2. Step 2: Convert to fraction form
    226,339.02/312,230.72 = 153,745.65/x
  3. Step 3: Cross multiply
    226,339.02x = 312,230.72 × 153,745.65
  4. Step 4: Simplify right side
    226,339.02x = 48,004,115,380.73
  5. Step 5: Solve for x
    x = 48,004,115,380.73/226,339.02
  6. Step 6: Final answer
    x = 212,089.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.