Finding the Fourth Proportional to 211,273.13, 291,556.43 and 114,479.62
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Solution
The fourth proportional to 211,273.13, 291,556.43 and 114,479.62 is: 157,981.61
Step by Step Solution
- Step 1: Write the proportion equation
211,273.13 : 291,556.43 = 114,479.62 : x - Step 2: Convert to fraction form
211,273.13/291,556.43 = 114,479.62/x - Step 3: Cross multiply
211,273.13x = 291,556.43 × 114,479.62 - Step 4: Simplify right side
211,273.13x = 33,377,268,013.67 - Step 5: Solve for x
x = 33,377,268,013.67/211,273.13 - Step 6: Final answer
x = 157,981.61
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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.