Finding the Fourth Proportional to 207,670.52, 286,585.44 and 112,177.26
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Solution
The fourth proportional to 207,670.52, 286,585.44 and 112,177.26 is: 154,804.69
Step by Step Solution
- Step 1: Write the proportion equation
207,670.52 : 286,585.44 = 112,177.26 : x - Step 2: Convert to fraction form
207,670.52/286,585.44 = 112,177.26/x - Step 3: Cross multiply
207,670.52x = 286,585.44 × 112,177.26 - Step 4: Simplify right side
207,670.52x = 32,148,369,415.09 - Step 5: Solve for x
x = 32,148,369,415.09/207,670.52 - Step 6: Final answer
x = 154,804.69
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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.