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Finding the Fourth Proportional to 449,703.96, 620,600.43 and 245,767.56

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Solution

The fourth proportional to 449,703.96, 620,600.43 and 245,767.56 is: 339,164.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,703.96 : 620,600.43 = 245,767.56 : x
  2. Step 2: Convert to fraction form
    449,703.96/620,600.43 = 245,767.56/x
  3. Step 3: Cross multiply
    449,703.96x = 620,600.43 × 245,767.56
  4. Step 4: Simplify right side
    449,703.96x = 152,523,453,416.05
  5. Step 5: Solve for x
    x = 152,523,453,416.05/449,703.96
  6. Step 6: Final answer
    x = 339,164.13

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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.