Finding the Fourth Proportional to 285,675.12, 394,190.28 and 158,350.68
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Solution
The fourth proportional to 285,675.12, 394,190.28 and 158,350.68 is: 218,501.00
Step by Step Solution
- Step 1: Write the proportion equation
285,675.12 : 394,190.28 = 158,350.68 : x - Step 2: Convert to fraction form
285,675.12/394,190.28 = 158,350.68/x - Step 3: Cross multiply
285,675.12x = 394,190.28 × 158,350.68 - Step 4: Simplify right side
285,675.12x = 62,420,298,887.39 - Step 5: Solve for x
x = 62,420,298,887.39/285,675.12 - Step 6: Final answer
x = 218,501.00
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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.