Finding the Fourth Proportional to 212,397.97, 293,109.28 and 116,903.98
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Solution
The fourth proportional to 212,397.97, 293,109.28 and 116,903.98 is: 161,327.54
Step by Step Solution
- Step 1: Write the proportion equation
212,397.97 : 293,109.28 = 116,903.98 : x - Step 2: Convert to fraction form
212,397.97/293,109.28 = 116,903.98/x - Step 3: Cross multiply
212,397.97x = 293,109.28 × 116,903.98 - Step 4: Simplify right side
212,397.97x = 34,265,641,406.93 - Step 5: Solve for x
x = 34,265,641,406.93/212,397.97 - Step 6: Final answer
x = 161,327.54
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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.