Finding the Fourth Proportional to 159,636.82, 239,293.52 and 103,512.54
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Solution
The fourth proportional to 159,636.82, 239,293.52 and 103,512.54 is: 155,163.95
Step by Step Solution
- Step 1: Write the proportion equation
159,636.82 : 239,293.52 = 103,512.54 : x - Step 2: Convert to fraction form
159,636.82/239,293.52 = 103,512.54/x - Step 3: Cross multiply
159,636.82x = 239,293.52 × 103,512.54 - Step 4: Simplify right side
159,636.82x = 24,769,880,060.74 - Step 5: Solve for x
x = 24,769,880,060.74/159,636.82 - Step 6: Final answer
x = 155,163.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.