Finding the Fourth Proportional to 213,076.96, 319,758.12 and 88,418.08
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Solution
The fourth proportional to 213,076.96, 319,758.12 and 88,418.08 is: 132,686.33
Step by Step Solution
- Step 1: Write the proportion equation
213,076.96 : 319,758.12 = 88,418.08 : x - Step 2: Convert to fraction form
213,076.96/319,758.12 = 88,418.08/x - Step 3: Cross multiply
213,076.96x = 319,758.12 × 88,418.08 - Step 4: Simplify right side
213,076.96x = 28,272,399,034.81 - Step 5: Solve for x
x = 28,272,399,034.81/213,076.96 - Step 6: Final answer
x = 132,686.33
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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.