Finding the Fourth Proportional to 158,226.96, 218,344.74 and 86,593.12
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Solution
The fourth proportional to 158,226.96, 218,344.74 and 86,593.12 is: 119,493.87
Step by Step Solution
- Step 1: Write the proportion equation
158,226.96 : 218,344.74 = 86,593.12 : x - Step 2: Convert to fraction form
158,226.96/218,344.74 = 86,593.12/x - Step 3: Cross multiply
158,226.96x = 218,344.74 × 86,593.12 - Step 4: Simplify right side
158,226.96x = 18,907,152,272.19 - Step 5: Solve for x
x = 18,907,152,272.19/158,226.96 - Step 6: Final answer
x = 119,493.87
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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.