Finding the Fourth Proportional to 211,006.11, 291,193.56 and 115,512.51
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Solution
The fourth proportional to 211,006.11, 291,193.56 and 115,512.51 is: 159,410.07
Step by Step Solution
- Step 1: Write the proportion equation
211,006.11 : 291,193.56 = 115,512.51 : x - Step 2: Convert to fraction form
211,006.11/291,193.56 = 115,512.51/x - Step 3: Cross multiply
211,006.11x = 291,193.56 × 115,512.51 - Step 4: Simplify right side
211,006.11x = 33,636,499,011.44 - Step 5: Solve for x
x = 33,636,499,011.44/211,006.11 - Step 6: Final answer
x = 159,410.07
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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.