Finding the Fourth Proportional to 211,687.07, 292,117.47 and 125,649.81
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Solution
The fourth proportional to 211,687.07, 292,117.47 and 125,649.81 is: 173,390.40
Step by Step Solution
- Step 1: Write the proportion equation
211,687.07 : 292,117.47 = 125,649.81 : x - Step 2: Convert to fraction form
211,687.07/292,117.47 = 125,649.81/x - Step 3: Cross multiply
211,687.07x = 292,117.47 × 125,649.81 - Step 4: Simplify right side
211,687.07x = 36,704,504,603.18 - Step 5: Solve for x
x = 36,704,504,603.18/211,687.07 - Step 6: Final answer
x = 173,390.40
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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.