Finding the Fourth Proportional to 354,928.23, 489,811.73 and 201,988.40
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Solution
The fourth proportional to 354,928.23, 489,811.73 and 201,988.40 is: 278,750.11
Step by Step Solution
- Step 1: Write the proportion equation
354,928.23 : 489,811.73 = 201,988.40 : x - Step 2: Convert to fraction form
354,928.23/489,811.73 = 201,988.40/x - Step 3: Cross multiply
354,928.23x = 489,811.73 × 201,988.40 - Step 4: Simplify right side
354,928.23x = 98,936,284,184.93 - Step 5: Solve for x
x = 98,936,284,184.93/354,928.23 - Step 6: Final answer
x = 278,750.11
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.