Finding the Fourth Proportional to 159,954.24, 220,740.30 and 88,338.84
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Solution
The fourth proportional to 159,954.24, 220,740.30 and 88,338.84 is: 121,909.50
Step by Step Solution
- Step 1: Write the proportion equation
159,954.24 : 220,740.30 = 88,338.84 : x - Step 2: Convert to fraction form
159,954.24/220,740.30 = 88,338.84/x - Step 3: Cross multiply
159,954.24x = 220,740.30 × 88,338.84 - Step 4: Simplify right side
159,954.24x = 19,499,942,043.25 - Step 5: Solve for x
x = 19,499,942,043.25/159,954.24 - Step 6: Final answer
x = 121,909.50
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1.5x scale
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.