Finding the Fourth Proportional to 252,113.98, 347,917.35 and 137,392.66
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Solution
The fourth proportional to 252,113.98, 347,917.35 and 137,392.66 is: 189,601.90
Step by Step Solution
- Step 1: Write the proportion equation
252,113.98 : 347,917.35 = 137,392.66 : x - Step 2: Convert to fraction form
252,113.98/347,917.35 = 137,392.66/x - Step 3: Cross multiply
252,113.98x = 347,917.35 × 137,392.66 - Step 4: Simplify right side
252,113.98x = 47,801,288,437.06 - Step 5: Solve for x
x = 47,801,288,437.06/252,113.98 - Step 6: Final answer
x = 189,601.90
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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.