Finding the Fourth Proportional to 286,035.14, 394,728.48 and 158,711.66
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Solution
The fourth proportional to 286,035.14, 394,728.48 and 158,711.66 is: 219,022.08
Step by Step Solution
- Step 1: Write the proportion equation
286,035.14 : 394,728.48 = 158,711.66 : x - Step 2: Convert to fraction form
286,035.14/394,728.48 = 158,711.66/x - Step 3: Cross multiply
286,035.14x = 394,728.48 × 158,711.66 - Step 4: Simplify right side
286,035.14x = 62,648,012,310.08 - Step 5: Solve for x
x = 62,648,012,310.08/286,035.14 - Step 6: Final answer
x = 219,022.08
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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.