Finding the Fourth Proportional to 134,138.01, 201,207.05 and 49,887.17
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Solution
The fourth proportional to 134,138.01, 201,207.05 and 49,887.17 is: 74,830.76
Step by Step Solution
- Step 1: Write the proportion equation
134,138.01 : 201,207.05 = 49,887.17 : x - Step 2: Convert to fraction form
134,138.01/201,207.05 = 49,887.17/x - Step 3: Cross multiply
134,138.01x = 201,207.05 × 49,887.17 - Step 4: Simplify right side
134,138.01x = 10,037,649,427.23 - Step 5: Solve for x
x = 10,037,649,427.23/134,138.01 - Step 6: Final answer
x = 74,830.76
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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.