Finding the Fourth Proportional to 189,102.09, 283,653.14 and 70,829.13
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Solution
The fourth proportional to 189,102.09, 283,653.14 and 70,829.13 is: 106,243.70
Step by Step Solution
- Step 1: Write the proportion equation
189,102.09 : 283,653.14 = 70,829.13 : x - Step 2: Convert to fraction form
189,102.09/283,653.14 = 70,829.13/x - Step 3: Cross multiply
189,102.09x = 283,653.14 × 70,829.13 - Step 4: Simplify right side
189,102.09x = 20,090,906,235.94 - Step 5: Solve for x
x = 20,090,906,235.94/189,102.09 - Step 6: Final answer
x = 106,243.70
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1.5x scale
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.