Finding the Fourth Proportional to 252,130.08, 347,934.81 and 137,409.60
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Solution
The fourth proportional to 252,130.08, 347,934.81 and 137,409.60 is: 189,622.69
Step by Step Solution
- Step 1: Write the proportion equation
252,130.08 : 347,934.81 = 137,409.60 : x - Step 2: Convert to fraction form
252,130.08/347,934.81 = 137,409.60/x - Step 3: Cross multiply
252,130.08x = 347,934.81 × 137,409.60 - Step 4: Simplify right side
252,130.08x = 47,809,583,068.18 - Step 5: Solve for x
x = 47,809,583,068.18/252,130.08 - Step 6: Final answer
x = 189,622.69
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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.