Finding the Fourth Proportional to 248,530.73, 342,972.36 and 135,353.48
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Solution
The fourth proportional to 248,530.73, 342,972.36 and 135,353.48 is: 186,787.77
Step by Step Solution
- Step 1: Write the proportion equation
248,530.73 : 342,972.36 = 135,353.48 : x - Step 2: Convert to fraction form
248,530.73/342,972.36 = 135,353.48/x - Step 3: Cross multiply
248,530.73x = 342,972.36 × 135,353.48 - Step 4: Simplify right side
248,530.73x = 46,422,500,754.95 - Step 5: Solve for x
x = 46,422,500,754.95/248,530.73 - Step 6: Final answer
x = 186,787.77
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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.