Finding the Fourth Proportional to 211,024.49, 291,214.64 and 115,540.07
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Solution
The fourth proportional to 211,024.49, 291,214.64 and 115,540.07 is: 159,445.76
Step by Step Solution
- Step 1: Write the proportion equation
211,024.49 : 291,214.64 = 115,540.07 : x - Step 2: Convert to fraction form
211,024.49/291,214.64 = 115,540.07/x - Step 3: Cross multiply
211,024.49x = 291,214.64 × 115,540.07 - Step 4: Simplify right side
211,024.49x = 33,646,958,723.40 - Step 5: Solve for x
x = 33,646,958,723.40/211,024.49 - Step 6: Final answer
x = 159,445.76
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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.