Finding the Fourth Proportional to 415,342.53, 573,172.97 and 224,356.01
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Solution
The fourth proportional to 415,342.53, 573,172.97 and 224,356.01 is: 309,611.43
Step by Step Solution
- Step 1: Write the proportion equation
415,342.53 : 573,172.97 = 224,356.01 : x - Step 2: Convert to fraction form
415,342.53/573,172.97 = 224,356.01/x - Step 3: Cross multiply
415,342.53x = 573,172.97 × 224,356.01 - Step 4: Simplify right side
415,342.53x = 128,594,796,601.41 - Step 5: Solve for x
x = 128,594,796,601.41/415,342.53 - Step 6: Final answer
x = 309,611.43
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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.