Finding the Fourth Proportional to 112,857.09, 169,271.79 and 65,497.95
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Solution
The fourth proportional to 112,857.09, 169,271.79 and 65,497.95 is: 98,238.89
Step by Step Solution
- Step 1: Write the proportion equation
112,857.09 : 169,271.79 = 65,497.95 : x - Step 2: Convert to fraction form
112,857.09/169,271.79 = 65,497.95/x - Step 3: Cross multiply
112,857.09x = 169,271.79 × 65,497.95 - Step 4: Simplify right side
112,857.09x = 11,086,955,237.83 - Step 5: Solve for x
x = 11,086,955,237.83/112,857.09 - Step 6: Final answer
x = 98,238.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.