Finding the Fourth Proportional to 211,064.24, 291,269.11 and 114,269.11
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Solution
The fourth proportional to 211,064.24, 291,269.11 and 114,269.11 is: 157,691.62
Step by Step Solution
- Step 1: Write the proportion equation
211,064.24 : 291,269.11 = 114,269.11 : x - Step 2: Convert to fraction form
211,064.24/291,269.11 = 114,269.11/x - Step 3: Cross multiply
211,064.24x = 291,269.11 × 114,269.11 - Step 4: Simplify right side
211,064.24x = 33,283,061,970.19 - Step 5: Solve for x
x = 33,283,061,970.19/211,064.24 - Step 6: Final answer
x = 157,691.62
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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.