Finding the Fourth Proportional to 169,415.28, 233,821.08 and 93,988.08
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Solution
The fourth proportional to 169,415.28, 233,821.08 and 93,988.08 is: 129,719.08
Step by Step Solution
- Step 1: Write the proportion equation
169,415.28 : 233,821.08 = 93,988.08 : x - Step 2: Convert to fraction form
169,415.28/233,821.08 = 93,988.08/x - Step 3: Cross multiply
169,415.28x = 233,821.08 × 93,988.08 - Step 4: Simplify right side
169,415.28x = 21,976,394,372.73 - Step 5: Solve for x
x = 21,976,394,372.73/169,415.28 - Step 6: Final answer
x = 129,719.08
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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.