Finding the Fourth Proportional to 208,926.08, 288,288.96 and 122,888.96
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Solution
The fourth proportional to 208,926.08, 288,288.96 and 122,888.96 is: 169,569.69
Step by Step Solution
- Step 1: Write the proportion equation
208,926.08 : 288,288.96 = 122,888.96 : x - Step 2: Convert to fraction form
208,926.08/288,288.96 = 122,888.96/x - Step 3: Cross multiply
208,926.08x = 288,288.96 × 122,888.96 - Step 4: Simplify right side
208,926.08x = 35,427,530,473.88 - Step 5: Solve for x
x = 35,427,530,473.88/208,926.08 - Step 6: Final answer
x = 169,569.69
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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.