Finding the Fourth Proportional to 256,150.53, 384,244.25 and 98,378.99
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Solution
The fourth proportional to 256,150.53, 384,244.25 and 98,378.99 is: 147,575.57
Step by Step Solution
- Step 1: Write the proportion equation
256,150.53 : 384,244.25 = 98,378.99 : x - Step 2: Convert to fraction form
256,150.53/384,244.25 = 98,378.99/x - Step 3: Cross multiply
256,150.53x = 384,244.25 × 98,378.99 - Step 4: Simplify right side
256,150.53x = 37,801,561,228.31 - Step 5: Solve for x
x = 37,801,561,228.31/256,150.53 - Step 6: Final answer
x = 147,575.57
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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.