Finding the Fourth Proportional to 162,963.99, 225,198.77 and 122,607.63
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Solution
The fourth proportional to 162,963.99, 225,198.77 and 122,607.63 is: 169,430.60
Step by Step Solution
- Step 1: Write the proportion equation
162,963.99 : 225,198.77 = 122,607.63 : x - Step 2: Convert to fraction form
162,963.99/225,198.77 = 122,607.63/x - Step 3: Cross multiply
162,963.99x = 225,198.77 × 122,607.63 - Step 4: Simplify right side
162,963.99x = 27,611,086,855.58 - Step 5: Solve for x
x = 27,611,086,855.58/162,963.99 - Step 6: Final answer
x = 169,430.60
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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.