Finding the Fourth Proportional to 438,493.68, 605,120.94 and 237,289.68
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Solution
The fourth proportional to 438,493.68, 605,120.94 and 237,289.68 is: 327,459.58
Step by Step Solution
- Step 1: Write the proportion equation
438,493.68 : 605,120.94 = 237,289.68 : x - Step 2: Convert to fraction form
438,493.68/605,120.94 = 237,289.68/x - Step 3: Cross multiply
438,493.68x = 605,120.94 × 237,289.68 - Step 4: Simplify right side
438,493.68x = 143,588,954,213.90 - Step 5: Solve for x
x = 143,588,954,213.90/438,493.68 - Step 6: Final answer
x = 327,459.58
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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.