Finding the Fourth Proportional to 134,492.40, 201,884.40 and 84,628.80
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Solution
The fourth proportional to 134,492.40, 201,884.40 and 84,628.80 is: 127,034.94
Step by Step Solution
- Step 1: Write the proportion equation
134,492.40 : 201,884.40 = 84,628.80 : x - Step 2: Convert to fraction form
134,492.40/201,884.40 = 84,628.80/x - Step 3: Cross multiply
134,492.40x = 201,884.40 × 84,628.80 - Step 4: Simplify right side
134,492.40x = 17,085,234,510.72 - Step 5: Solve for x
x = 17,085,234,510.72/134,492.40 - Step 6: Final answer
x = 127,034.94
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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.