Finding the Fourth Proportional to 256,148.53, 384,241.25 and 98,376.99
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Solution
The fourth proportional to 256,148.53, 384,241.25 and 98,376.99 is: 147,572.57
Step by Step Solution
- Step 1: Write the proportion equation
256,148.53 : 384,241.25 = 98,376.99 : x - Step 2: Convert to fraction form
256,148.53/384,241.25 = 98,376.99/x - Step 3: Cross multiply
256,148.53x = 384,241.25 × 98,376.99 - Step 4: Simplify right side
256,148.53x = 37,800,497,608.84 - Step 5: Solve for x
x = 37,800,497,608.84/256,148.53 - Step 6: Final answer
x = 147,572.57
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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.