Finding the Fourth Proportional to 681,013.47, 1,021,578.99 and 175,570.23
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Solution
The fourth proportional to 681,013.47, 1,021,578.99 and 175,570.23 is: 263,370.50
Step by Step Solution
- Step 1: Write the proportion equation
681,013.47 : 1,021,578.99 = 175,570.23 : x - Step 2: Convert to fraction form
681,013.47/1,021,578.99 = 175,570.23/x - Step 3: Cross multiply
681,013.47x = 1,021,578.99 × 175,570.23 - Step 4: Simplify right side
681,013.47x = 179,358,861,410.00 - Step 5: Solve for x
x = 179,358,861,410.00/681,013.47 - Step 6: Final answer
x = 263,370.50
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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.