Finding the Fourth Proportional to 438,164.24, 657,220.44 and 122,614.16
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Solution
The fourth proportional to 438,164.24, 657,220.44 and 122,614.16 is: 183,913.99
Step by Step Solution
- Step 1: Write the proportion equation
438,164.24 : 657,220.44 = 122,614.16 : x - Step 2: Convert to fraction form
438,164.24/657,220.44 = 122,614.16/x - Step 3: Cross multiply
438,164.24x = 657,220.44 × 122,614.16 - Step 4: Simplify right side
438,164.24x = 80,584,532,185.43 - Step 5: Solve for x
x = 80,584,532,185.43/438,164.24 - Step 6: Final answer
x = 183,913.99
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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.