Finding the Fourth Proportional to 186,551.09, 257,449.63 and 104,905.04
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Solution
The fourth proportional to 186,551.09, 257,449.63 and 104,905.04 is: 144,774.09
Step by Step Solution
- Step 1: Write the proportion equation
186,551.09 : 257,449.63 = 104,905.04 : x - Step 2: Convert to fraction form
186,551.09/257,449.63 = 104,905.04/x - Step 3: Cross multiply
186,551.09x = 257,449.63 × 104,905.04 - Step 4: Simplify right side
186,551.09x = 27,007,763,733.14 - Step 5: Solve for x
x = 27,007,763,733.14/186,551.09 - Step 6: Final answer
x = 144,774.09
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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.