Finding the Fourth Proportional to 401,772.68, 599,109.31 and 398,166.56
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Solution
The fourth proportional to 401,772.68, 599,109.31 and 398,166.56 is: 593,731.99
Step by Step Solution
- Step 1: Write the proportion equation
401,772.68 : 599,109.31 = 398,166.56 : x - Step 2: Convert to fraction form
401,772.68/599,109.31 = 398,166.56/x - Step 3: Cross multiply
401,772.68x = 599,109.31 × 398,166.56 - Step 4: Simplify right side
401,772.68x = 238,545,293,026.67 - Step 5: Solve for x
x = 238,545,293,026.67/401,772.68 - Step 6: Final answer
x = 593,731.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.