Finding the Fourth Proportional to 247,163.20, 341,071.97 and 139,726.82
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Solution
The fourth proportional to 247,163.20, 341,071.97 and 139,726.82 is: 192,815.53
Step by Step Solution
- Step 1: Write the proportion equation
247,163.20 : 341,071.97 = 139,726.82 : x - Step 2: Convert to fraction form
247,163.20/341,071.97 = 139,726.82/x - Step 3: Cross multiply
247,163.20x = 341,071.97 × 139,726.82 - Step 4: Simplify right side
247,163.20x = 47,656,901,913.28 - Step 5: Solve for x
x = 47,656,901,913.28/247,163.20 - Step 6: Final answer
x = 192,815.53
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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.