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Finding the Fourth Proportional to 449,441.37, 620,224.97 and 245,492.22

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Solution

The fourth proportional to 449,441.37, 620,224.97 and 245,492.22 is: 338,777.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,441.37 : 620,224.97 = 245,492.22 : x
  2. Step 2: Convert to fraction form
    449,441.37/620,224.97 = 245,492.22/x
  3. Step 3: Cross multiply
    449,441.37x = 620,224.97 × 245,492.22
  4. Step 4: Simplify right side
    449,441.37x = 152,260,403,557.27
  5. Step 5: Solve for x
    x = 152,260,403,557.27/449,441.37
  6. Step 6: Final answer
    x = 338,777.01

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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.