Home / 360,135.18-540,145.98-226,606.68

Finding the Fourth Proportional to 360,135.18, 540,145.98 and 226,606.68

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Solution

The fourth proportional to 360,135.18, 540,145.98 and 226,606.68 is: 339,874.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,135.18 : 540,145.98 = 226,606.68 : x
  2. Step 2: Convert to fraction form
    360,135.18/540,145.98 = 226,606.68/x
  3. Step 3: Cross multiply
    360,135.18x = 540,145.98 × 226,606.68
  4. Step 4: Simplify right side
    360,135.18x = 122,400,687,243.15
  5. Step 5: Solve for x
    x = 122,400,687,243.15/360,135.18
  6. Step 6: Final answer
    x = 339,874.29

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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.