Finding the Fourth Proportional to 272,787.80, 376,458.80 and 151,929.09
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Solution
The fourth proportional to 272,787.80, 376,458.80 and 151,929.09 is: 209,668.63
Step by Step Solution
- Step 1: Write the proportion equation
272,787.80 : 376,458.80 = 151,929.09 : x - Step 2: Convert to fraction form
272,787.80/376,458.80 = 151,929.09/x - Step 3: Cross multiply
272,787.80x = 376,458.80 × 151,929.09 - Step 4: Simplify right side
272,787.80x = 57,195,042,146.85 - Step 5: Solve for x
x = 57,195,042,146.85/272,787.80 - Step 6: Final answer
x = 209,668.63
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1.5x scale
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.