Finding the Fourth Proportional to 226,683.06, 312,812.73 and 124,702.08
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Solution
The fourth proportional to 226,683.06, 312,812.73 and 124,702.08 is: 172,083.43
Step by Step Solution
- Step 1: Write the proportion equation
226,683.06 : 312,812.73 = 124,702.08 : x - Step 2: Convert to fraction form
226,683.06/312,812.73 = 124,702.08/x - Step 3: Cross multiply
226,683.06x = 312,812.73 × 124,702.08 - Step 4: Simplify right side
226,683.06x = 39,008,398,081.48 - Step 5: Solve for x
x = 39,008,398,081.48/226,683.06 - Step 6: Final answer
x = 172,083.43
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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.