Finding the Fourth Proportional to 251,374.24, 346,905.36 and 138,205.60
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Solution
The fourth proportional to 251,374.24, 346,905.36 and 138,205.60 is: 190,728.63
Step by Step Solution
- Step 1: Write the proportion equation
251,374.24 : 346,905.36 = 138,205.60 : x - Step 2: Convert to fraction form
251,374.24/346,905.36 = 138,205.60/x - Step 3: Cross multiply
251,374.24x = 346,905.36 × 138,205.60 - Step 4: Simplify right side
251,374.24x = 47,944,263,422.02 - Step 5: Solve for x
x = 47,944,263,422.02/251,374.24 - Step 6: Final answer
x = 190,728.63
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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.