Finding the Fourth Proportional to 226,512.23, 312,587.51 and 124,548.12
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Solution
The fourth proportional to 226,512.23, 312,587.51 and 124,548.12 is: 171,876.75
Step by Step Solution
- Step 1: Write the proportion equation
226,512.23 : 312,587.51 = 124,548.12 : x - Step 2: Convert to fraction form
226,512.23/312,587.51 = 124,548.12/x - Step 3: Cross multiply
226,512.23x = 312,587.51 × 124,548.12 - Step 4: Simplify right side
226,512.23x = 38,932,186,083.24 - Step 5: Solve for x
x = 38,932,186,083.24/226,512.23 - Step 6: Final answer
x = 171,876.75
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1.5x scale
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.