Finding the Fourth Proportional to 68,352.22, 102,536.49 and 28,904.14
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Solution
The fourth proportional to 68,352.22, 102,536.49 and 28,904.14 is: 43,359.66
Step by Step Solution
- Step 1: Write the proportion equation
68,352.22 : 102,536.49 = 28,904.14 : x - Step 2: Convert to fraction form
68,352.22/102,536.49 = 28,904.14/x - Step 3: Cross multiply
68,352.22x = 102,536.49 × 28,904.14 - Step 4: Simplify right side
68,352.22x = 2,963,729,062.07 - Step 5: Solve for x
x = 2,963,729,062.07/68,352.22 - Step 6: Final answer
x = 43,359.66
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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.