Finding the Fourth Proportional to 211,984.68, 292,522.14 and 121,342.44
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Solution
The fourth proportional to 211,984.68, 292,522.14 and 121,342.44 is: 167,443.00
Step by Step Solution
- Step 1: Write the proportion equation
211,984.68 : 292,522.14 = 121,342.44 : x - Step 2: Convert to fraction form
211,984.68/292,522.14 = 121,342.44/x - Step 3: Cross multiply
211,984.68x = 292,522.14 × 121,342.44 - Step 4: Simplify right side
211,984.68x = 35,495,350,221.62 - Step 5: Solve for x
x = 35,495,350,221.62/211,984.68 - Step 6: Final answer
x = 167,443.00
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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.