Finding the Fourth Proportional to 256,371.44, 353,799.68 and 141,657.44
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Solution
The fourth proportional to 256,371.44, 353,799.68 and 141,657.44 is: 195,491.19
Step by Step Solution
- Step 1: Write the proportion equation
256,371.44 : 353,799.68 = 141,657.44 : x - Step 2: Convert to fraction form
256,371.44/353,799.68 = 141,657.44/x - Step 3: Cross multiply
256,371.44x = 353,799.68 × 141,657.44 - Step 4: Simplify right side
256,371.44x = 50,118,356,941.62 - Step 5: Solve for x
x = 50,118,356,941.62/256,371.44 - Step 6: Final answer
x = 195,491.19
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1.5x scale
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.