Finding the Fourth Proportional to 645,712.97, 968,234.34 and 190,245.09
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Solution
The fourth proportional to 645,712.97, 968,234.34 and 190,245.09 is: 285,268.90
Step by Step Solution
- Step 1: Write the proportion equation
645,712.97 : 968,234.34 = 190,245.09 : x - Step 2: Convert to fraction form
645,712.97/968,234.34 = 190,245.09/x - Step 3: Cross multiply
645,712.97x = 968,234.34 × 190,245.09 - Step 4: Simplify right side
645,712.97x = 184,201,829,154.39 - Step 5: Solve for x
x = 184,201,829,154.39/645,712.97 - Step 6: Final answer
x = 285,268.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.