Finding the Fourth Proportional to 207,816.18, 286,786.26 and 112,322.88
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Solution
The fourth proportional to 207,816.18, 286,786.26 and 112,322.88 is: 155,005.54
Step by Step Solution
- Step 1: Write the proportion equation
207,816.18 : 286,786.26 = 112,322.88 : x - Step 2: Convert to fraction form
207,816.18/286,786.26 = 112,322.88/x - Step 3: Cross multiply
207,816.18x = 286,786.26 × 112,322.88 - Step 4: Simplify right side
207,816.18x = 32,212,658,667.63 - Step 5: Solve for x
x = 32,212,658,667.63/207,816.18 - Step 6: Final answer
x = 155,005.54
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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.