Finding the Fourth Proportional to 186,243.41, 257,042.99 and 104,580.83
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Solution
The fourth proportional to 186,243.41, 257,042.99 and 104,580.83 is: 144,336.75
Step by Step Solution
- Step 1: Write the proportion equation
186,243.41 : 257,042.99 = 104,580.83 : x - Step 2: Convert to fraction form
186,243.41/257,042.99 = 104,580.83/x - Step 3: Cross multiply
186,243.41x = 257,042.99 × 104,580.83 - Step 4: Simplify right side
186,243.41x = 26,881,767,431.76 - Step 5: Solve for x
x = 26,881,767,431.76/186,243.41 - Step 6: Final answer
x = 144,336.75
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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.