Finding the Fourth Proportional to 211,184.18, 291,434.18 and 126,301.26
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Solution
The fourth proportional to 211,184.18, 291,434.18 and 126,301.26 is: 174,295.75
Step by Step Solution
- Step 1: Write the proportion equation
211,184.18 : 291,434.18 = 126,301.26 : x - Step 2: Convert to fraction form
211,184.18/291,434.18 = 126,301.26/x - Step 3: Cross multiply
211,184.18x = 291,434.18 × 126,301.26 - Step 4: Simplify right side
211,184.18x = 36,808,504,141.07 - Step 5: Solve for x
x = 36,808,504,141.07/211,184.18 - Step 6: Final answer
x = 174,295.75
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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.