Finding the Fourth Proportional to 211,053.08, 291,253.11 and 115,561.64
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Solution
The fourth proportional to 211,053.08, 291,253.11 and 115,561.64 is: 159,474.99
Step by Step Solution
- Step 1: Write the proportion equation
211,053.08 : 291,253.11 = 115,561.64 : x - Step 2: Convert to fraction form
211,053.08/291,253.11 = 115,561.64/x - Step 3: Cross multiply
211,053.08x = 291,253.11 × 115,561.64 - Step 4: Simplify right side
211,053.08x = 33,657,687,046.70 - Step 5: Solve for x
x = 33,657,687,046.70/211,053.08 - Step 6: Final answer
x = 159,474.99
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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.