Finding the Fourth Proportional to 168,379.65, 232,403.81 and 96,801.26
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Solution
The fourth proportional to 168,379.65, 232,403.81 and 96,801.26 is: 133,608.66
Step by Step Solution
- Step 1: Write the proportion equation
168,379.65 : 232,403.81 = 96,801.26 : x - Step 2: Convert to fraction form
168,379.65/232,403.81 = 96,801.26/x - Step 3: Cross multiply
168,379.65x = 232,403.81 × 96,801.26 - Step 4: Simplify right side
168,379.65x = 22,496,979,990.78 - Step 5: Solve for x
x = 22,496,979,990.78/168,379.65 - Step 6: Final answer
x = 133,608.66
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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.