Finding the Fourth Proportional to 217,067.19, 299,388.00 and 190,162.99
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Solution
The fourth proportional to 217,067.19, 299,388.00 and 190,162.99 is: 262,280.62
Step by Step Solution
- Step 1: Write the proportion equation
217,067.19 : 299,388.00 = 190,162.99 : x - Step 2: Convert to fraction form
217,067.19/299,388.00 = 190,162.99/x - Step 3: Cross multiply
217,067.19x = 299,388.00 × 190,162.99 - Step 4: Simplify right side
217,067.19x = 56,932,517,267.80 - Step 5: Solve for x
x = 56,932,517,267.80/217,067.19 - Step 6: Final answer
x = 262,280.62
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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.