Finding the Fourth Proportional to 272,163.45, 375,527.55 and 164,712.09
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Solution
The fourth proportional to 272,163.45, 375,527.55 and 164,712.09 is: 227,267.58
Step by Step Solution
- Step 1: Write the proportion equation
272,163.45 : 375,527.55 = 164,712.09 : x - Step 2: Convert to fraction form
272,163.45/375,527.55 = 164,712.09/x - Step 3: Cross multiply
272,163.45x = 375,527.55 × 164,712.09 - Step 4: Simplify right side
272,163.45x = 61,853,927,613.08 - Step 5: Solve for x
x = 61,853,927,613.08/272,163.45 - Step 6: Final answer
x = 227,267.58
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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.