Finding the Fourth Proportional to 226,543.19, 312,630.80 and 124,575.26
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Solution
The fourth proportional to 226,543.19, 312,630.80 and 124,575.26 is: 171,914.51
Step by Step Solution
- Step 1: Write the proportion equation
226,543.19 : 312,630.80 = 124,575.26 : x - Step 2: Convert to fraction form
226,543.19/312,630.80 = 124,575.26/x - Step 3: Cross multiply
226,543.19x = 312,630.80 × 124,575.26 - Step 4: Simplify right side
226,543.19x = 38,946,061,007.98 - Step 5: Solve for x
x = 38,946,061,007.98/226,543.19 - Step 6: Final answer
x = 171,914.51
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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.