Finding the Fourth Proportional to 212,944.25, 293,862.50 and 122,306.09
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Solution
The fourth proportional to 212,944.25, 293,862.50 and 122,306.09 is: 168,782.07
Step by Step Solution
- Step 1: Write the proportion equation
212,944.25 : 293,862.50 = 122,306.09 : x - Step 2: Convert to fraction form
212,944.25/293,862.50 = 122,306.09/x - Step 3: Cross multiply
212,944.25x = 293,862.50 × 122,306.09 - Step 4: Simplify right side
212,944.25x = 35,941,171,291.78 - Step 5: Solve for x
x = 35,941,171,291.78/212,944.25 - Step 6: Final answer
x = 168,782.07
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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.