Finding the Fourth Proportional to 226,387.74, 312,396.30 and 124,407.84
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Solution
The fourth proportional to 226,387.74, 312,396.30 and 124,407.84 is: 171,672.50
Step by Step Solution
- Step 1: Write the proportion equation
226,387.74 : 312,396.30 = 124,407.84 : x - Step 2: Convert to fraction form
226,387.74/312,396.30 = 124,407.84/x - Step 3: Cross multiply
226,387.74x = 312,396.30 × 124,407.84 - Step 4: Simplify right side
226,387.74x = 38,864,548,906.99 - Step 5: Solve for x
x = 38,864,548,906.99/226,387.74 - Step 6: Final answer
x = 171,672.50
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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.