Finding the Fourth Proportional to 218,752.49, 328,130.09 and 60,982.31
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Solution
The fourth proportional to 218,752.49, 328,130.09 and 60,982.31 is: 91,473.84
Step by Step Solution
- Step 1: Write the proportion equation
218,752.49 : 328,130.09 = 60,982.31 : x - Step 2: Convert to fraction form
218,752.49/328,130.09 = 60,982.31/x - Step 3: Cross multiply
218,752.49x = 328,130.09 × 60,982.31 - Step 4: Simplify right side
218,752.49x = 20,010,128,923.15 - Step 5: Solve for x
x = 20,010,128,923.15/218,752.49 - Step 6: Final answer
x = 91,473.84
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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.