Finding the Fourth Proportional to 289,607.26, 434,364.41 and 79,195.99
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Solution
The fourth proportional to 289,607.26, 434,364.41 and 79,195.99 is: 118,781.27
Step by Step Solution
- Step 1: Write the proportion equation
289,607.26 : 434,364.41 = 79,195.99 : x - Step 2: Convert to fraction form
289,607.26/434,364.41 = 79,195.99/x - Step 3: Cross multiply
289,607.26x = 434,364.41 × 79,195.99 - Step 4: Simplify right side
289,607.26x = 34,399,917,100.90 - Step 5: Solve for x
x = 34,399,917,100.90/289,607.26 - Step 6: Final answer
x = 118,781.27
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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.