Home / 226,715.20-340,085.60-68,948.80

Finding the Fourth Proportional to 226,715.20, 340,085.60 and 68,948.80

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Solution

The fourth proportional to 226,715.20, 340,085.60 and 68,948.80 is: 103,427.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,715.20 : 340,085.60 = 68,948.80 : x
  2. Step 2: Convert to fraction form
    226,715.20/340,085.60 = 68,948.80/x
  3. Step 3: Cross multiply
    226,715.20x = 340,085.60 × 68,948.80
  4. Step 4: Simplify right side
    226,715.20x = 23,448,494,017.28
  5. Step 5: Solve for x
    x = 23,448,494,017.28/226,715.20
  6. Step 6: Final answer
    x = 103,427.09

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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.