Finding the Fourth Proportional to 211,233.24, 291,497.28 and 115,737.84
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Solution
The fourth proportional to 211,233.24, 291,497.28 and 115,737.84 is: 159,715.70
Step by Step Solution
- Step 1: Write the proportion equation
211,233.24 : 291,497.28 = 115,737.84 : x - Step 2: Convert to fraction form
211,233.24/291,497.28 = 115,737.84/x - Step 3: Cross multiply
211,233.24x = 291,497.28 × 115,737.84 - Step 4: Simplify right side
211,233.24x = 33,737,265,553.08 - Step 5: Solve for x
x = 33,737,265,553.08/211,233.24 - Step 6: Final answer
x = 159,715.70
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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.