Finding the Fourth Proportional to 236,431.54, 326,324.09 and 144,566.53
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Solution
The fourth proportional to 236,431.54, 326,324.09 and 144,566.53 is: 199,531.50
Step by Step Solution
- Step 1: Write the proportion equation
236,431.54 : 326,324.09 = 144,566.53 : x - Step 2: Convert to fraction form
236,431.54/326,324.09 = 144,566.53/x - Step 3: Cross multiply
236,431.54x = 326,324.09 × 144,566.53 - Step 4: Simplify right side
236,431.54x = 47,175,539,808.06 - Step 5: Solve for x
x = 47,175,539,808.06/236,431.54 - Step 6: Final answer
x = 199,531.50
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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.