Finding the Fourth Proportional to 481,485.17, 664,448.47 and 277,534.74
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Solution
The fourth proportional to 481,485.17, 664,448.47 and 277,534.74 is: 382,997.32
Step by Step Solution
- Step 1: Write the proportion equation
481,485.17 : 664,448.47 = 277,534.74 : x - Step 2: Convert to fraction form
481,485.17/664,448.47 = 277,534.74/x - Step 3: Cross multiply
481,485.17x = 664,448.47 × 277,534.74 - Step 4: Simplify right side
481,485.17x = 184,407,531,977.17 - Step 5: Solve for x
x = 184,407,531,977.17/481,485.17 - Step 6: Final answer
x = 382,997.32
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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.