Finding the Fourth Proportional to 212,740.96, 293,577.47 and 115,947.88
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Solution
The fourth proportional to 212,740.96, 293,577.47 and 115,947.88 is: 160,005.31
Step by Step Solution
- Step 1: Write the proportion equation
212,740.96 : 293,577.47 = 115,947.88 : x - Step 2: Convert to fraction form
212,740.96/293,577.47 = 115,947.88/x - Step 3: Cross multiply
212,740.96x = 293,577.47 × 115,947.88 - Step 4: Simplify right side
212,740.96x = 34,039,683,794.38 - Step 5: Solve for x
x = 34,039,683,794.38/212,740.96 - Step 6: Final answer
x = 160,005.31
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1.5x scale
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.