Finding the Fourth Proportional to 159,499.98, 220,113.90 and 98,222.99
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Solution
The fourth proportional to 159,499.98, 220,113.90 and 98,222.99 is: 135,550.14
Step by Step Solution
- Step 1: Write the proportion equation
159,499.98 : 220,113.90 = 98,222.99 : x - Step 2: Convert to fraction form
159,499.98/220,113.90 = 98,222.99/x - Step 3: Cross multiply
159,499.98x = 220,113.90 × 98,222.99 - Step 4: Simplify right side
159,499.98x = 21,620,244,297.99 - Step 5: Solve for x
x = 21,620,244,297.99/159,499.98 - Step 6: Final answer
x = 135,550.14
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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.