Finding the Fourth Proportional to 218,684.44, 328,130.34 and 130,112.92
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Solution
The fourth proportional to 218,684.44, 328,130.34 and 130,112.92 is: 195,231.07
Step by Step Solution
- Step 1: Write the proportion equation
218,684.44 : 328,130.34 = 130,112.92 : x - Step 2: Convert to fraction form
218,684.44/328,130.34 = 130,112.92/x - Step 3: Cross multiply
218,684.44x = 328,130.34 × 130,112.92 - Step 4: Simplify right side
218,684.44x = 42,693,996,677.99 - Step 5: Solve for x
x = 42,693,996,677.99/218,684.44 - Step 6: Final answer
x = 195,231.07
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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.