Finding the Fourth Proportional to 394,587.68, 591,621.50 and 141,741.32
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Solution
The fourth proportional to 394,587.68, 591,621.50 and 141,741.32 is: 212,518.58
Step by Step Solution
- Step 1: Write the proportion equation
394,587.68 : 591,621.50 = 141,741.32 : x - Step 2: Convert to fraction form
394,587.68/591,621.50 = 141,741.32/x - Step 3: Cross multiply
394,587.68x = 591,621.50 × 141,741.32 - Step 4: Simplify right side
394,587.68x = 83,857,212,350.38 - Step 5: Solve for x
x = 83,857,212,350.38/394,587.68 - Step 6: Final answer
x = 212,518.58
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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.