Finding the Fourth Proportional to 354,418.23, 489,088.27 and 193,276.38
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Solution
The fourth proportional to 354,418.23, 489,088.27 and 193,276.38 is: 266,716.56
Step by Step Solution
- Step 1: Write the proportion equation
354,418.23 : 489,088.27 = 193,276.38 : x - Step 2: Convert to fraction form
354,418.23/489,088.27 = 193,276.38/x - Step 3: Cross multiply
354,418.23x = 489,088.27 × 193,276.38 - Step 4: Simplify right side
354,418.23x = 94,529,210,326.06 - Step 5: Solve for x
x = 94,529,210,326.06/354,418.23 - Step 6: Final answer
x = 266,716.56
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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.