Finding the Fourth Proportional to 141,409.80, 212,114.70 and 134,497.80
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Solution
The fourth proportional to 141,409.80, 212,114.70 and 134,497.80 is: 201,746.70
Step by Step Solution
- Step 1: Write the proportion equation
141,409.80 : 212,114.70 = 134,497.80 : x - Step 2: Convert to fraction form
141,409.80/212,114.70 = 134,497.80/x - Step 3: Cross multiply
141,409.80x = 212,114.70 × 134,497.80 - Step 4: Simplify right side
141,409.80x = 28,528,960,497.66 - Step 5: Solve for x
x = 28,528,960,497.66/141,409.80 - Step 6: Final answer
x = 201,746.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.