Finding the Fourth Proportional to 163,909.62, 226,192.77 and 92,289.42
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Solution
The fourth proportional to 163,909.62, 226,192.77 and 92,289.42 is: 127,357.99
Step by Step Solution
- Step 1: Write the proportion equation
163,909.62 : 226,192.77 = 92,289.42 : x - Step 2: Convert to fraction form
163,909.62/226,192.77 = 92,289.42/x - Step 3: Cross multiply
163,909.62x = 226,192.77 × 92,289.42 - Step 4: Simplify right side
163,909.62x = 20,875,199,551.49 - Step 5: Solve for x
x = 20,875,199,551.49/163,909.62 - Step 6: Final answer
x = 127,357.99
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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.