Finding the Fourth Proportional to 272,218.16, 375,635.40 and 252,156.08
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Solution
The fourth proportional to 272,218.16, 375,635.40 and 252,156.08 is: 347,951.62
Step by Step Solution
- Step 1: Write the proportion equation
272,218.16 : 375,635.40 = 252,156.08 : x - Step 2: Convert to fraction form
272,218.16/375,635.40 = 252,156.08/x - Step 3: Cross multiply
272,218.16x = 375,635.40 × 252,156.08 - Step 4: Simplify right side
272,218.16x = 94,718,749,973.23 - Step 5: Solve for x
x = 94,718,749,973.23/272,218.16 - Step 6: Final answer
x = 347,951.62
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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.