Finding the Fourth Proportional to 163,932.86, 226,228.19 and 92,314.14
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Solution
The fourth proportional to 163,932.86, 226,228.19 and 92,314.14 is: 127,393.99
Step by Step Solution
- Step 1: Write the proportion equation
163,932.86 : 226,228.19 = 92,314.14 : x - Step 2: Convert to fraction form
163,932.86/226,228.19 = 92,314.14/x - Step 3: Cross multiply
163,932.86x = 226,228.19 × 92,314.14 - Step 4: Simplify right side
163,932.86x = 20,884,060,342.04 - Step 5: Solve for x
x = 20,884,060,342.04/163,932.86 - Step 6: Final answer
x = 127,393.99
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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.