Finding the Fourth Proportional to 212,759.04, 293,608.84 and 117,265.74
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Solution
The fourth proportional to 212,759.04, 293,608.84 and 117,265.74 is: 161,827.47
Step by Step Solution
- Step 1: Write the proportion equation
212,759.04 : 293,608.84 = 117,265.74 : x - Step 2: Convert to fraction form
212,759.04/293,608.84 = 117,265.74/x - Step 3: Cross multiply
212,759.04x = 293,608.84 × 117,265.74 - Step 4: Simplify right side
212,759.04x = 34,430,257,893.14 - Step 5: Solve for x
x = 34,430,257,893.14/212,759.04 - Step 6: Final answer
x = 161,827.47
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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.