Finding the Fourth Proportional to 272,396.18, 375,918.84 and 226,998.11
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Solution
The fourth proportional to 272,396.18, 375,918.84 and 226,998.11 is: 313,267.49
Step by Step Solution
- Step 1: Write the proportion equation
272,396.18 : 375,918.84 = 226,998.11 : x - Step 2: Convert to fraction form
272,396.18/375,918.84 = 226,998.11/x - Step 3: Cross multiply
272,396.18x = 375,918.84 × 226,998.11 - Step 4: Simplify right side
272,396.18x = 85,332,867,133.19 - Step 5: Solve for x
x = 85,332,867,133.19/272,396.18 - Step 6: Final answer
x = 313,267.49
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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.