Finding the Fourth Proportional to 212,476.57, 293,206.53 and 116,964.81
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Solution
The fourth proportional to 212,476.57, 293,206.53 and 116,964.81 is: 161,405.31
Step by Step Solution
- Step 1: Write the proportion equation
212,476.57 : 293,206.53 = 116,964.81 : x - Step 2: Convert to fraction form
212,476.57/293,206.53 = 116,964.81/x - Step 3: Cross multiply
212,476.57x = 293,206.53 × 116,964.81 - Step 4: Simplify right side
212,476.57x = 34,294,846,510.83 - Step 5: Solve for x
x = 34,294,846,510.83/212,476.57 - Step 6: Final answer
x = 161,405.31
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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.