Finding the Fourth Proportional to 134,442.25, 201,649.39 and 84,373.93
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Solution
The fourth proportional to 134,442.25, 201,649.39 and 84,373.93 is: 126,552.12
Step by Step Solution
- Step 1: Write the proportion equation
134,442.25 : 201,649.39 = 84,373.93 : x - Step 2: Convert to fraction form
134,442.25/201,649.39 = 84,373.93/x - Step 3: Cross multiply
134,442.25x = 201,649.39 × 84,373.93 - Step 4: Simplify right side
134,442.25x = 17,013,951,516.40 - Step 5: Solve for x
x = 17,013,951,516.40/134,442.25 - Step 6: Final answer
x = 126,552.12
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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.