Finding the Fourth Proportional to 151,330.14, 208,785.51 and 97,650.81
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Solution
The fourth proportional to 151,330.14, 208,785.51 and 97,650.81 is: 134,725.80
Step by Step Solution
- Step 1: Write the proportion equation
151,330.14 : 208,785.51 = 97,650.81 : x - Step 2: Convert to fraction form
151,330.14/208,785.51 = 97,650.81/x - Step 3: Cross multiply
151,330.14x = 208,785.51 × 97,650.81 - Step 4: Simplify right side
151,330.14x = 20,388,074,167.76 - Step 5: Solve for x
x = 20,388,074,167.76/151,330.14 - Step 6: Final answer
x = 134,725.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.