Finding the Fourth Proportional to 211,457.48, 291,819.75 and 115,967.66
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Solution
The fourth proportional to 211,457.48, 291,819.75 and 115,967.66 is: 160,039.99
Step by Step Solution
- Step 1: Write the proportion equation
211,457.48 : 291,819.75 = 115,967.66 : x - Step 2: Convert to fraction form
211,457.48/291,819.75 = 115,967.66/x - Step 3: Cross multiply
211,457.48x = 291,819.75 × 115,967.66 - Step 4: Simplify right side
211,457.48x = 33,841,653,549.29 - Step 5: Solve for x
x = 33,841,653,549.29/211,457.48 - Step 6: Final answer
x = 160,039.99
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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.