Finding the Fourth Proportional to 212,734.68, 293,573.82 and 127,851.75
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Solution
The fourth proportional to 212,734.68, 293,573.82 and 127,851.75 is: 176,435.39
Step by Step Solution
- Step 1: Write the proportion equation
212,734.68 : 293,573.82 = 127,851.75 : x - Step 2: Convert to fraction form
212,734.68/293,573.82 = 127,851.75/x - Step 3: Cross multiply
212,734.68x = 293,573.82 × 127,851.75 - Step 4: Simplify right side
212,734.68x = 37,533,926,641.19 - Step 5: Solve for x
x = 37,533,926,641.19/212,734.68 - Step 6: Final answer
x = 176,435.39
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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.