Finding the Fourth Proportional to 251,705.87, 347,369.60 and 144,292.05
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Solution
The fourth proportional to 251,705.87, 347,369.60 and 144,292.05 is: 199,131.92
Step by Step Solution
- Step 1: Write the proportion equation
251,705.87 : 347,369.60 = 144,292.05 : x - Step 2: Convert to fraction form
251,705.87/347,369.60 = 144,292.05/x - Step 3: Cross multiply
251,705.87x = 347,369.60 × 144,292.05 - Step 4: Simplify right side
251,705.87x = 50,122,671,691.68 - Step 5: Solve for x
x = 50,122,671,691.68/251,705.87 - Step 6: Final answer
x = 199,131.92
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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.