Finding the Fourth Proportional to 244,857.80, 367,286.70 and 139,881.80
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Solution
The fourth proportional to 244,857.80, 367,286.70 and 139,881.80 is: 209,822.70
Step by Step Solution
- Step 1: Write the proportion equation
244,857.80 : 367,286.70 = 139,881.80 : x - Step 2: Convert to fraction form
244,857.80/367,286.70 = 139,881.80/x - Step 3: Cross multiply
244,857.80x = 367,286.70 × 139,881.80 - Step 4: Simplify right side
244,857.80x = 51,376,724,712.06 - Step 5: Solve for x
x = 51,376,724,712.06/244,857.80 - Step 6: Final answer
x = 209,822.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.