Finding the Fourth Proportional to 186,283.23, 257,072.45 and 101,400.09
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Solution
The fourth proportional to 186,283.23, 257,072.45 and 101,400.09 is: 139,932.99
Step by Step Solution
- Step 1: Write the proportion equation
186,283.23 : 257,072.45 = 101,400.09 : x - Step 2: Convert to fraction form
186,283.23/257,072.45 = 101,400.09/x - Step 3: Cross multiply
186,283.23x = 257,072.45 × 101,400.09 - Step 4: Simplify right side
186,283.23x = 26,067,169,059.52 - Step 5: Solve for x
x = 26,067,169,059.52/186,283.23 - Step 6: Final answer
x = 139,932.99
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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.