Finding the Fourth Proportional to 248,395.14, 342,787.41 and 135,217.62
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Solution
The fourth proportional to 248,395.14, 342,787.41 and 135,217.62 is: 186,601.47
Step by Step Solution
- Step 1: Write the proportion equation
248,395.14 : 342,787.41 = 135,217.62 : x - Step 2: Convert to fraction form
248,395.14/342,787.41 = 135,217.62/x - Step 3: Cross multiply
248,395.14x = 342,787.41 × 135,217.62 - Step 4: Simplify right side
248,395.14x = 46,350,897,746.16 - Step 5: Solve for x
x = 46,350,897,746.16/248,395.14 - Step 6: Final answer
x = 186,601.47
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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.