Finding the Fourth Proportional to 207,497.16, 286,327.44 and 115,609.41
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Solution
The fourth proportional to 207,497.16, 286,327.44 and 115,609.41 is: 159,530.60
Step by Step Solution
- Step 1: Write the proportion equation
207,497.16 : 286,327.44 = 115,609.41 : x - Step 2: Convert to fraction form
207,497.16/286,327.44 = 115,609.41/x - Step 3: Cross multiply
207,497.16x = 286,327.44 × 115,609.41 - Step 4: Simplify right side
207,497.16x = 33,102,146,405.21 - Step 5: Solve for x
x = 33,102,146,405.21/207,497.16 - Step 6: Final answer
x = 159,530.60
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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.