Finding the Fourth Proportional to 285,820.08, 394,455.36 and 158,536.80
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Solution
The fourth proportional to 285,820.08, 394,455.36 and 158,536.80 is: 218,793.90
Step by Step Solution
- Step 1: Write the proportion equation
285,820.08 : 394,455.36 = 158,536.80 : x - Step 2: Convert to fraction form
285,820.08/394,455.36 = 158,536.80/x - Step 3: Cross multiply
285,820.08x = 394,455.36 × 158,536.80 - Step 4: Simplify right side
285,820.08x = 62,535,690,517.25 - Step 5: Solve for x
x = 62,535,690,517.25/285,820.08 - Step 6: Final answer
x = 218,793.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.