Finding the Fourth Proportional to 160,418.20, 221,374.42 and 88,796.68
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Solution
The fourth proportional to 160,418.20, 221,374.42 and 88,796.68 is: 122,537.92
Step by Step Solution
- Step 1: Write the proportion equation
160,418.20 : 221,374.42 = 88,796.68 : x - Step 2: Convert to fraction form
160,418.20/221,374.42 = 88,796.68/x - Step 3: Cross multiply
160,418.20x = 221,374.42 × 88,796.68 - Step 4: Simplify right side
160,418.20x = 19,657,312,426.05 - Step 5: Solve for x
x = 19,657,312,426.05/160,418.20 - Step 6: Final answer
x = 122,537.92
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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.