Finding the Fourth Proportional to 272,984.56, 376,668.84 and 152,122.84
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Solution
The fourth proportional to 272,984.56, 376,668.84 and 152,122.84 is: 209,901.74
Step by Step Solution
- Step 1: Write the proportion equation
272,984.56 : 376,668.84 = 152,122.84 : x - Step 2: Convert to fraction form
272,984.56/376,668.84 = 152,122.84/x - Step 3: Cross multiply
272,984.56x = 376,668.84 × 152,122.84 - Step 4: Simplify right side
272,984.56x = 57,299,933,680.31 - Step 5: Solve for x
x = 57,299,933,680.31/272,984.56 - Step 6: Final answer
x = 209,901.74
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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.