Finding the Fourth Proportional to 218,751.99, 328,129.33 and 60,981.81
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Solution
The fourth proportional to 218,751.99, 328,129.33 and 60,981.81 is: 91,473.09
Step by Step Solution
- Step 1: Write the proportion equation
218,751.99 : 328,129.33 = 60,981.81 : x - Step 2: Convert to fraction form
218,751.99/328,129.33 = 60,981.81/x - Step 3: Cross multiply
218,751.99x = 328,129.33 × 60,981.81 - Step 4: Simplify right side
218,751.99x = 20,009,920,457.49 - Step 5: Solve for x
x = 20,009,920,457.49/218,751.99 - Step 6: Final answer
x = 91,473.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.