Finding the Fourth Proportional to 190,651.58, 286,001.21 and 57,531.62
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Solution
The fourth proportional to 190,651.58, 286,001.21 and 57,531.62 is: 86,304.62
Step by Step Solution
- Step 1: Write the proportion equation
190,651.58 : 286,001.21 = 57,531.62 : x - Step 2: Convert to fraction form
190,651.58/286,001.21 = 57,531.62/x - Step 3: Cross multiply
190,651.58x = 286,001.21 × 57,531.62 - Step 4: Simplify right side
190,651.58x = 16,454,112,933.26 - Step 5: Solve for x
x = 16,454,112,933.26/190,651.58 - Step 6: Final answer
x = 86,304.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.