Finding the Fourth Proportional to 186,804.58, 257,789.01 and 106,232.08
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Solution
The fourth proportional to 186,804.58, 257,789.01 and 106,232.08 is: 146,599.53
Step by Step Solution
- Step 1: Write the proportion equation
186,804.58 : 257,789.01 = 106,232.08 : x - Step 2: Convert to fraction form
186,804.58/257,789.01 = 106,232.08/x - Step 3: Cross multiply
186,804.58x = 257,789.01 × 106,232.08 - Step 4: Simplify right side
186,804.58x = 27,385,462,733.44 - Step 5: Solve for x
x = 27,385,462,733.44/186,804.58 - Step 6: Final answer
x = 146,599.53
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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.