Finding the Fourth Proportional to 272,091.84, 375,429.12 and 164,640.96
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Solution
The fourth proportional to 272,091.84, 375,429.12 and 164,640.96 is: 227,169.66
Step by Step Solution
- Step 1: Write the proportion equation
272,091.84 : 375,429.12 = 164,640.96 : x - Step 2: Convert to fraction form
272,091.84/375,429.12 = 164,640.96/x - Step 3: Cross multiply
272,091.84x = 375,429.12 × 164,640.96 - Step 4: Simplify right side
272,091.84x = 61,811,010,728.76 - Step 5: Solve for x
x = 61,811,010,728.76/272,091.84 - Step 6: Final answer
x = 227,169.66
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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.