Finding the Fourth Proportional to 211,880.34, 292,397.03 and 115,086.09
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Solution
The fourth proportional to 211,880.34, 292,397.03 and 115,086.09 is: 158,819.98
Step by Step Solution
- Step 1: Write the proportion equation
211,880.34 : 292,397.03 = 115,086.09 : x - Step 2: Convert to fraction form
211,880.34/292,397.03 = 115,086.09/x - Step 3: Cross multiply
211,880.34x = 292,397.03 × 115,086.09 - Step 4: Simplify right side
211,880.34x = 33,650,830,334.88 - Step 5: Solve for x
x = 33,650,830,334.88/211,880.34 - Step 6: Final answer
x = 158,819.98
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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.