Finding the Fourth Proportional to 212,515.63, 293,271.56 and 117,022.09
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Solution
The fourth proportional to 212,515.63, 293,271.56 and 117,022.09 is: 161,490.48
Step by Step Solution
- Step 1: Write the proportion equation
212,515.63 : 293,271.56 = 117,022.09 : x - Step 2: Convert to fraction form
212,515.63/293,271.56 = 117,022.09/x - Step 3: Cross multiply
212,515.63x = 293,271.56 × 117,022.09 - Step 4: Simplify right side
212,515.63x = 34,319,250,888.76 - Step 5: Solve for x
x = 34,319,250,888.76/212,515.63 - Step 6: Final answer
x = 161,490.48
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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.