Finding the Fourth Proportional to 208,150.99, 287,261.91 and 117,473.92
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Solution
The fourth proportional to 208,150.99, 287,261.91 and 117,473.92 is: 162,121.65
Step by Step Solution
- Step 1: Write the proportion equation
208,150.99 : 287,261.91 = 117,473.92 : x - Step 2: Convert to fraction form
208,150.99/287,261.91 = 117,473.92/x - Step 3: Cross multiply
208,150.99x = 287,261.91 × 117,473.92 - Step 4: Simplify right side
208,150.99x = 33,745,781,916.23 - Step 5: Solve for x
x = 33,745,781,916.23/208,150.99 - Step 6: Final answer
x = 162,121.65
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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.