Finding the Fourth Proportional to 189,861.84, 262,000.98 and 104,977.08
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Solution
The fourth proportional to 189,861.84, 262,000.98 and 104,977.08 is: 144,863.75
Step by Step Solution
- Step 1: Write the proportion equation
189,861.84 : 262,000.98 = 104,977.08 : x - Step 2: Convert to fraction form
189,861.84/262,000.98 = 104,977.08/x - Step 3: Cross multiply
189,861.84x = 262,000.98 × 104,977.08 - Step 4: Simplify right side
189,861.84x = 27,504,097,837.54 - Step 5: Solve for x
x = 27,504,097,837.54/189,861.84 - Step 6: Final answer
x = 144,863.75
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1.5x scale
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.