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Finding the Fourth Proportional to 415,150.19, 620,450.63 and 303,066.44

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Solution

The fourth proportional to 415,150.19, 620,450.63 and 303,066.44 is: 452,939.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,150.19 : 620,450.63 = 303,066.44 : x
  2. Step 2: Convert to fraction form
    415,150.19/620,450.63 = 303,066.44/x
  3. Step 3: Cross multiply
    415,150.19x = 620,450.63 × 303,066.44
  4. Step 4: Simplify right side
    415,150.19x = 188,037,767,670.24
  5. Step 5: Solve for x
    x = 188,037,767,670.24/415,150.19
  6. Step 6: Final answer
    x = 452,939.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.