Finding the Fourth Proportional to 208,500.41, 287,730.97 and 113,007.08
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Solution
The fourth proportional to 208,500.41, 287,730.97 and 113,007.08 is: 155,949.99
Step by Step Solution
- Step 1: Write the proportion equation
208,500.41 : 287,730.97 = 113,007.08 : x - Step 2: Convert to fraction form
208,500.41/287,730.97 = 113,007.08/x - Step 3: Cross multiply
208,500.41x = 287,730.97 × 113,007.08 - Step 4: Simplify right side
208,500.41x = 32,515,637,182.08 - Step 5: Solve for x
x = 32,515,637,182.08/208,500.41 - Step 6: Final answer
x = 155,949.99
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1.5x scale
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.