Finding the Fourth Proportional to 270,306.18, 372,989.97 and 149,431.14
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Solution
The fourth proportional to 270,306.18, 372,989.97 and 149,431.14 is: 206,196.97
Step by Step Solution
- Step 1: Write the proportion equation
270,306.18 : 372,989.97 = 149,431.14 : x - Step 2: Convert to fraction form
270,306.18/372,989.97 = 149,431.14/x - Step 3: Cross multiply
270,306.18x = 372,989.97 × 149,431.14 - Step 4: Simplify right side
270,306.18x = 55,736,316,425.67 - Step 5: Solve for x
x = 55,736,316,425.67/270,306.18 - Step 6: Final answer
x = 206,196.97
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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.