Finding the Fourth Proportional to 285,950.88, 394,612.34 and 158,626.44
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Solution
The fourth proportional to 285,950.88, 394,612.34 and 158,626.44 is: 218,904.55
Step by Step Solution
- Step 1: Write the proportion equation
285,950.88 : 394,612.34 = 158,626.44 : x - Step 2: Convert to fraction form
285,950.88/394,612.34 = 158,626.44/x - Step 3: Cross multiply
285,950.88x = 394,612.34 × 158,626.44 - Step 4: Simplify right side
285,950.88x = 62,595,949,881.14 - Step 5: Solve for x
x = 62,595,949,881.14/285,950.88 - Step 6: Final answer
x = 218,904.55
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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.