Finding the Fourth Proportional to 318,054.12, 438,892.20 and 174,823.44
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Solution
The fourth proportional to 318,054.12, 438,892.20 and 174,823.44 is: 241,243.99
Step by Step Solution
- Step 1: Write the proportion equation
318,054.12 : 438,892.20 = 174,823.44 : x - Step 2: Convert to fraction form
318,054.12/438,892.20 = 174,823.44/x - Step 3: Cross multiply
318,054.12x = 438,892.20 × 174,823.44 - Step 4: Simplify right side
318,054.12x = 76,728,644,193.17 - Step 5: Solve for x
x = 76,728,644,193.17/318,054.12 - Step 6: Final answer
x = 241,243.99
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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.