Home / 351,402.05-484,736.87-222,300.47

Finding the Fourth Proportional to 351,402.05, 484,736.87 and 222,300.47

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Solution

The fourth proportional to 351,402.05, 484,736.87 and 222,300.47 is: 306,649.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,402.05 : 484,736.87 = 222,300.47 : x
  2. Step 2: Convert to fraction form
    351,402.05/484,736.87 = 222,300.47/x
  3. Step 3: Cross multiply
    351,402.05x = 484,736.87 × 222,300.47
  4. Step 4: Simplify right side
    351,402.05x = 107,757,232,915.83
  5. Step 5: Solve for x
    x = 107,757,232,915.83/351,402.05
  6. Step 6: Final answer
    x = 306,649.41

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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.