Finding the Fourth Proportional to 272,446.09, 375,977.47 and 151,592.47
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Solution
The fourth proportional to 272,446.09, 375,977.47 and 151,592.47 is: 209,198.65
Step by Step Solution
- Step 1: Write the proportion equation
272,446.09 : 375,977.47 = 151,592.47 : x - Step 2: Convert to fraction form
272,446.09/375,977.47 = 151,592.47/x - Step 3: Cross multiply
272,446.09x = 375,977.47 × 151,592.47 - Step 4: Simplify right side
272,446.09x = 56,995,353,341.65 - Step 5: Solve for x
x = 56,995,353,341.65/272,446.09 - Step 6: Final answer
x = 209,198.65
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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.