Finding the Fourth Proportional to 163,859.20, 226,009.12 and 109,383.92
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Solution
The fourth proportional to 163,859.20, 226,009.12 and 109,383.92 is: 150,871.99
Step by Step Solution
- Step 1: Write the proportion equation
163,859.20 : 226,009.12 = 109,383.92 : x - Step 2: Convert to fraction form
163,859.20/226,009.12 = 109,383.92/x - Step 3: Cross multiply
163,859.20x = 226,009.12 × 109,383.92 - Step 4: Simplify right side
163,859.20x = 24,721,763,501.35 - Step 5: Solve for x
x = 24,721,763,501.35/163,859.20 - Step 6: Final answer
x = 150,871.99
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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.