Finding the Fourth Proportional to 151,351.98, 208,865.79 and 87,726.66
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Solution
The fourth proportional to 151,351.98, 208,865.79 and 87,726.66 is: 121,062.82
Step by Step Solution
- Step 1: Write the proportion equation
151,351.98 : 208,865.79 = 87,726.66 : x - Step 2: Convert to fraction form
151,351.98/208,865.79 = 87,726.66/x - Step 3: Cross multiply
151,351.98x = 208,865.79 × 87,726.66 - Step 4: Simplify right side
151,351.98x = 18,323,098,144.96 - Step 5: Solve for x
x = 18,323,098,144.96/151,351.98 - Step 6: Final answer
x = 121,062.82
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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.