Finding the Fourth Proportional to 159,200.99, 219,642.18 and 98,749.88
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Solution
The fourth proportional to 159,200.99, 219,642.18 and 98,749.88 is: 136,240.60
Step by Step Solution
- Step 1: Write the proportion equation
159,200.99 : 219,642.18 = 98,749.88 : x - Step 2: Convert to fraction form
159,200.99/219,642.18 = 98,749.88/x - Step 3: Cross multiply
159,200.99x = 219,642.18 × 98,749.88 - Step 4: Simplify right side
159,200.99x = 21,689,639,096.73 - Step 5: Solve for x
x = 21,689,639,096.73/159,200.99 - Step 6: Final answer
x = 136,240.60
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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.