Finding the Fourth Proportional to 226,418.88, 312,461.30 and 124,453.77
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Solution
The fourth proportional to 226,418.88, 312,461.30 and 124,453.77 is: 171,747.99
Step by Step Solution
- Step 1: Write the proportion equation
226,418.88 : 312,461.30 = 124,453.77 : x - Step 2: Convert to fraction form
226,418.88/312,461.30 = 124,453.77/x - Step 3: Cross multiply
226,418.88x = 312,461.30 × 124,453.77 - Step 4: Simplify right side
226,418.88x = 38,886,986,764.10 - Step 5: Solve for x
x = 38,886,986,764.10/226,418.88 - Step 6: Final answer
x = 171,747.99
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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.