Finding the Fourth Proportional to 211,244.16, 291,504.96 and 115,731.84
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Solution
The fourth proportional to 211,244.16, 291,504.96 and 115,731.84 is: 159,703.38
Step by Step Solution
- Step 1: Write the proportion equation
211,244.16 : 291,504.96 = 115,731.84 : x - Step 2: Convert to fraction form
211,244.16/291,504.96 = 115,731.84/x - Step 3: Cross multiply
211,244.16x = 291,504.96 × 115,731.84 - Step 4: Simplify right side
211,244.16x = 33,736,405,389.93 - Step 5: Solve for x
x = 33,736,405,389.93/211,244.16 - Step 6: Final answer
x = 159,703.38
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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.