Finding the Fourth Proportional to 211,274.23, 291,560.73 and 115,778.88
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Solution
The fourth proportional to 211,274.23, 291,560.73 and 115,778.88 is: 159,776.11
Step by Step Solution
- Step 1: Write the proportion equation
211,274.23 : 291,560.73 = 115,778.88 : x - Step 2: Convert to fraction form
211,274.23/291,560.73 = 115,778.88/x - Step 3: Cross multiply
211,274.23x = 291,560.73 × 115,778.88 - Step 4: Simplify right side
211,274.23x = 33,756,573,603.03 - Step 5: Solve for x
x = 33,756,573,603.03/211,274.23 - Step 6: Final answer
x = 159,776.11
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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.