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Finding the Fourth Proportional to 226,280.30, 339,437.46 and 68,521.46

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Solution

The fourth proportional to 226,280.30, 339,437.46 and 68,521.46 is: 102,787.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,280.30 : 339,437.46 = 68,521.46 : x
  2. Step 2: Convert to fraction form
    226,280.30/339,437.46 = 68,521.46/x
  3. Step 3: Cross multiply
    226,280.30x = 339,437.46 × 68,521.46
  4. Step 4: Simplify right side
    226,280.30x = 23,258,750,337.89
  5. Step 5: Solve for x
    x = 23,258,750,337.89/226,280.30
  6. Step 6: Final answer
    x = 102,787.34

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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.