Finding the Fourth Proportional to 211,024.55, 291,213.95 and 115,537.29
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Solution
The fourth proportional to 211,024.55, 291,213.95 and 115,537.29 is: 159,441.50
Step by Step Solution
- Step 1: Write the proportion equation
211,024.55 : 291,213.95 = 115,537.29 : x - Step 2: Convert to fraction form
211,024.55/291,213.95 = 115,537.29/x - Step 3: Cross multiply
211,024.55x = 291,213.95 × 115,537.29 - Step 4: Simplify right side
211,024.55x = 33,646,070,593.20 - Step 5: Solve for x
x = 33,646,070,593.20/211,024.55 - Step 6: Final answer
x = 159,441.50
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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.