Finding the Fourth Proportional to 252,506.88, 348,460.68 and 139,329.60
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Solution
The fourth proportional to 252,506.88, 348,460.68 and 139,329.60 is: 192,275.50
Step by Step Solution
- Step 1: Write the proportion equation
252,506.88 : 348,460.68 = 139,329.60 : x - Step 2: Convert to fraction form
252,506.88/348,460.68 = 139,329.60/x - Step 3: Cross multiply
252,506.88x = 348,460.68 × 139,329.60 - Step 4: Simplify right side
252,506.88x = 48,550,887,160.13 - Step 5: Solve for x
x = 48,550,887,160.13/252,506.88 - Step 6: Final answer
x = 192,275.50
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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.