Finding the Fourth Proportional to 146,791.74, 202,572.99 and 86,364.66
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Solution
The fourth proportional to 146,791.74, 202,572.99 and 86,364.66 is: 119,183.46
Step by Step Solution
- Step 1: Write the proportion equation
146,791.74 : 202,572.99 = 86,364.66 : x - Step 2: Convert to fraction form
146,791.74/202,572.99 = 86,364.66/x - Step 3: Cross multiply
146,791.74x = 202,572.99 × 86,364.66 - Step 4: Simplify right side
146,791.74x = 17,495,147,406.53 - Step 5: Solve for x
x = 17,495,147,406.53/146,791.74 - Step 6: Final answer
x = 119,183.46
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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.