Finding the Fourth Proportional to 212,497.09, 293,246.30 and 117,004.06
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Solution
The fourth proportional to 212,497.09, 293,246.30 and 117,004.06 is: 161,465.78
Step by Step Solution
- Step 1: Write the proportion equation
212,497.09 : 293,246.30 = 117,004.06 : x - Step 2: Convert to fraction form
212,497.09/293,246.30 = 117,004.06/x - Step 3: Cross multiply
212,497.09x = 293,246.30 × 117,004.06 - Step 4: Simplify right side
212,497.09x = 34,311,007,679.98 - Step 5: Solve for x
x = 34,311,007,679.98/212,497.09 - Step 6: Final answer
x = 161,465.78
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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.