Finding the Fourth Proportional to 160,173.39, 221,043.90 and 88,558.05
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Solution
The fourth proportional to 160,173.39, 221,043.90 and 88,558.05 is: 122,212.66
Step by Step Solution
- Step 1: Write the proportion equation
160,173.39 : 221,043.90 = 88,558.05 : x - Step 2: Convert to fraction form
160,173.39/221,043.90 = 88,558.05/x - Step 3: Cross multiply
160,173.39x = 221,043.90 × 88,558.05 - Step 4: Simplify right side
160,173.39x = 19,575,216,748.40 - Step 5: Solve for x
x = 19,575,216,748.40/160,173.39 - Step 6: Final answer
x = 122,212.66
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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.