Finding the Fourth Proportional to 351,537.20, 485,151.18 and 198,603.44
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Solution
The fourth proportional to 351,537.20, 485,151.18 and 198,603.44 is: 274,089.61
Step by Step Solution
- Step 1: Write the proportion equation
351,537.20 : 485,151.18 = 198,603.44 : x - Step 2: Convert to fraction form
351,537.20/485,151.18 = 198,603.44/x - Step 3: Cross multiply
351,537.20x = 485,151.18 × 198,603.44 - Step 4: Simplify right side
351,537.20x = 96,352,693,268.06 - Step 5: Solve for x
x = 96,352,693,268.06/351,537.20 - Step 6: Final answer
x = 274,089.61
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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.