Finding the Fourth Proportional to 208,428.08, 287,631.01 and 112,934.70
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Solution
The fourth proportional to 208,428.08, 287,631.01 and 112,934.70 is: 155,850.02
Step by Step Solution
- Step 1: Write the proportion equation
208,428.08 : 287,631.01 = 112,934.70 : x - Step 2: Convert to fraction form
208,428.08/287,631.01 = 112,934.70/x - Step 3: Cross multiply
208,428.08x = 287,631.01 × 112,934.70 - Step 4: Simplify right side
208,428.08x = 32,483,521,260.37 - Step 5: Solve for x
x = 32,483,521,260.37/208,428.08 - Step 6: Final answer
x = 155,850.02
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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.