Finding the Fourth Proportional to 222,364.26, 306,862.74 and 120,389.70
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Solution
The fourth proportional to 222,364.26, 306,862.74 and 120,389.70 is: 166,137.82
Step by Step Solution
- Step 1: Write the proportion equation
222,364.26 : 306,862.74 = 120,389.70 : x - Step 2: Convert to fraction form
222,364.26/306,862.74 = 120,389.70/x - Step 3: Cross multiply
222,364.26x = 306,862.74 × 120,389.70 - Step 4: Simplify right side
222,364.26x = 36,943,113,209.78 - Step 5: Solve for x
x = 36,943,113,209.78/222,364.26 - Step 6: Final answer
x = 166,137.82
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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.