Finding the Fourth Proportional to 272,514.69, 376,072.74 and 151,661.07
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Solution
The fourth proportional to 272,514.69, 376,072.74 and 151,661.07 is: 209,293.65
Step by Step Solution
- Step 1: Write the proportion equation
272,514.69 : 376,072.74 = 151,661.07 : x - Step 2: Convert to fraction form
272,514.69/376,072.74 = 151,661.07/x - Step 3: Cross multiply
272,514.69x = 376,072.74 × 151,661.07 - Step 4: Simplify right side
272,514.69x = 57,035,594,146.23 - Step 5: Solve for x
x = 57,035,594,146.23/272,514.69 - Step 6: Final answer
x = 209,293.65
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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.