Finding the Fourth Proportional to 245,691.24, 368,538.93 and 68,212.09
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Solution
The fourth proportional to 245,691.24, 368,538.93 and 68,212.09 is: 102,318.71
Step by Step Solution
- Step 1: Write the proportion equation
245,691.24 : 368,538.93 = 68,212.09 : x - Step 2: Convert to fraction form
245,691.24/368,538.93 = 68,212.09/x - Step 3: Cross multiply
245,691.24x = 368,538.93 × 68,212.09 - Step 4: Simplify right side
245,691.24x = 25,138,810,320.60 - Step 5: Solve for x
x = 25,138,810,320.60/245,691.24 - Step 6: Final answer
x = 102,318.71
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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.