Finding the Fourth Proportional to 211,182.19, 291,386.06 and 125,168.09
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Solution
The fourth proportional to 211,182.19, 291,386.06 and 125,168.09 is: 172,705.07
Step by Step Solution
- Step 1: Write the proportion equation
211,182.19 : 291,386.06 = 125,168.09 : x - Step 2: Convert to fraction form
211,182.19/291,386.06 = 125,168.09/x - Step 3: Cross multiply
211,182.19x = 291,386.06 × 125,168.09 - Step 4: Simplify right side
211,182.19x = 36,472,234,969.44 - Step 5: Solve for x
x = 36,472,234,969.44/211,182.19 - Step 6: Final answer
x = 172,705.07
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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.