Finding the Fourth Proportional to 251,530.60, 347,107.08 and 136,811.44
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Solution
The fourth proportional to 251,530.60, 347,107.08 and 136,811.44 is: 188,796.99
Step by Step Solution
- Step 1: Write the proportion equation
251,530.60 : 347,107.08 = 136,811.44 : x - Step 2: Convert to fraction form
251,530.60/347,107.08 = 136,811.44/x - Step 3: Cross multiply
251,530.60x = 347,107.08 × 136,811.44 - Step 4: Simplify right side
251,530.60x = 47,488,219,449.00 - Step 5: Solve for x
x = 47,488,219,449.00/251,530.60 - Step 6: Final answer
x = 188,796.99
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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.