Finding the Fourth Proportional to 354,555.40, 489,268.47 and 193,409.14
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Solution
The fourth proportional to 354,555.40, 489,268.47 and 193,409.14 is: 266,894.80
Step by Step Solution
- Step 1: Write the proportion equation
354,555.40 : 489,268.47 = 193,409.14 : x - Step 2: Convert to fraction form
354,555.40/489,268.47 = 193,409.14/x - Step 3: Cross multiply
354,555.40x = 489,268.47 × 193,409.14 - Step 4: Simplify right side
354,555.40x = 94,628,994,011.82 - Step 5: Solve for x
x = 94,628,994,011.82/354,555.40 - Step 6: Final answer
x = 266,894.80
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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.