Finding the Fourth Proportional to 163,757.84, 245,553.66 and 74,935.23
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Solution
The fourth proportional to 163,757.84, 245,553.66 and 74,935.23 is: 112,364.82
Step by Step Solution
- Step 1: Write the proportion equation
163,757.84 : 245,553.66 = 74,935.23 : x - Step 2: Convert to fraction form
163,757.84/245,553.66 = 74,935.23/x - Step 3: Cross multiply
163,757.84x = 245,553.66 × 74,935.23 - Step 4: Simplify right side
163,757.84x = 18,400,619,068.62 - Step 5: Solve for x
x = 18,400,619,068.62/163,757.84 - Step 6: Final answer
x = 112,364.82
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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.