Finding the Fourth Proportional to 236,775.98, 326,747.16 and 129,343.92
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Solution
The fourth proportional to 236,775.98, 326,747.16 and 129,343.92 is: 178,492.60
Step by Step Solution
- Step 1: Write the proportion equation
236,775.98 : 326,747.16 = 129,343.92 : x - Step 2: Convert to fraction form
236,775.98/326,747.16 = 129,343.92/x - Step 3: Cross multiply
236,775.98x = 326,747.16 × 129,343.92 - Step 4: Simplify right side
236,775.98x = 42,262,758,523.27 - Step 5: Solve for x
x = 42,262,758,523.27/236,775.98 - Step 6: Final answer
x = 178,492.60
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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.