Finding the Fourth Proportional to 151,329.86, 208,827.14 and 86,795.75
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Solution
The fourth proportional to 151,329.86, 208,827.14 and 86,795.75 is: 119,773.50
Step by Step Solution
- Step 1: Write the proportion equation
151,329.86 : 208,827.14 = 86,795.75 : x - Step 2: Convert to fraction form
151,329.86/208,827.14 = 86,795.75/x - Step 3: Cross multiply
151,329.86x = 208,827.14 × 86,795.75 - Step 4: Simplify right side
151,329.86x = 18,125,306,758.54 - Step 5: Solve for x
x = 18,125,306,758.54/151,329.86 - Step 6: Final answer
x = 119,773.50
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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.