Finding the Fourth Proportional to 354,415.29, 489,093.21 and 193,266.19
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Solution
The fourth proportional to 354,415.29, 489,093.21 and 193,266.19 is: 266,707.41
Step by Step Solution
- Step 1: Write the proportion equation
354,415.29 : 489,093.21 = 193,266.19 : x - Step 2: Convert to fraction form
354,415.29/489,093.21 = 193,266.19/x - Step 3: Cross multiply
354,415.29x = 489,093.21 × 193,266.19 - Step 4: Simplify right side
354,415.29x = 94,525,181,862.94 - Step 5: Solve for x
x = 94,525,181,862.94/354,415.29 - Step 6: Final answer
x = 266,707.41
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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.