Finding the Fourth Proportional to 238,193.94, 356,823.80 and 138,143.95
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Solution
The fourth proportional to 238,193.94, 356,823.80 and 138,143.95 is: 206,945.02
Step by Step Solution
- Step 1: Write the proportion equation
238,193.94 : 356,823.80 = 138,143.95 : x - Step 2: Convert to fraction form
238,193.94/356,823.80 = 138,143.95/x - Step 3: Cross multiply
238,193.94x = 356,823.80 × 138,143.95 - Step 4: Simplify right side
238,193.94x = 49,293,049,186.01 - Step 5: Solve for x
x = 49,293,049,186.01/238,193.94 - Step 6: Final answer
x = 206,945.02
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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.