Finding the Fourth Proportional to 272,590.97, 376,175.49 and 151,729.67
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Solution
The fourth proportional to 272,590.97, 376,175.49 and 151,729.67 is: 209,386.92
Step by Step Solution
- Step 1: Write the proportion equation
272,590.97 : 376,175.49 = 151,729.67 : x - Step 2: Convert to fraction form
272,590.97/376,175.49 = 151,729.67/x - Step 3: Cross multiply
272,590.97x = 376,175.49 × 151,729.67 - Step 4: Simplify right side
272,590.97x = 57,076,982,959.79 - Step 5: Solve for x
x = 57,076,982,959.79/272,590.97 - Step 6: Final answer
x = 209,386.92
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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.