Home / 228,240.22-314,063.43-221,306.53

Finding the Fourth Proportional to 228,240.22, 314,063.43 and 221,306.53

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Solution

The fourth proportional to 228,240.22, 314,063.43 and 221,306.53 is: 304,522.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,240.22 : 314,063.43 = 221,306.53 : x
  2. Step 2: Convert to fraction form
    228,240.22/314,063.43 = 221,306.53/x
  3. Step 3: Cross multiply
    228,240.22x = 314,063.43 × 221,306.53
  4. Step 4: Simplify right side
    228,240.22x = 69,504,287,893.20
  5. Step 5: Solve for x
    x = 69,504,287,893.20/228,240.22
  6. Step 6: Final answer
    x = 304,522.52

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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.