Finding the Fourth Proportional to 211,089.63, 291,293.64 and 115,596.84
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Solution
The fourth proportional to 211,089.63, 291,293.64 and 115,596.84 is: 159,518.14
Step by Step Solution
- Step 1: Write the proportion equation
211,089.63 : 291,293.64 = 115,596.84 : x - Step 2: Convert to fraction form
211,089.63/291,293.64 = 115,596.84/x - Step 3: Cross multiply
211,089.63x = 291,293.64 × 115,596.84 - Step 4: Simplify right side
211,089.63x = 33,672,624,296.10 - Step 5: Solve for x
x = 33,672,624,296.10/211,089.63 - Step 6: Final answer
x = 159,518.14
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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.