Finding the Fourth Proportional to 134,402.19, 201,578.17 and 54,419.01
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Solution
The fourth proportional to 134,402.19, 201,578.17 and 54,419.01 is: 81,618.34
Step by Step Solution
- Step 1: Write the proportion equation
134,402.19 : 201,578.17 = 54,419.01 : x - Step 2: Convert to fraction form
134,402.19/201,578.17 = 54,419.01/x - Step 3: Cross multiply
134,402.19x = 201,578.17 × 54,419.01 - Step 4: Simplify right side
134,402.19x = 10,969,683,659.08 - Step 5: Solve for x
x = 10,969,683,659.08/134,402.19 - Step 6: Final answer
x = 81,618.34
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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.