Finding the Fourth Proportional to 995,378.13, 1,493,072.66 and 247,424.13
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Solution
The fourth proportional to 995,378.13, 1,493,072.66 and 247,424.13 is: 371,137.55
Step by Step Solution
- Step 1: Write the proportion equation
995,378.13 : 1,493,072.66 = 247,424.13 : x - Step 2: Convert to fraction form
995,378.13/1,493,072.66 = 247,424.13/x - Step 3: Cross multiply
995,378.13x = 1,493,072.66 × 247,424.13 - Step 4: Simplify right side
995,378.13x = 369,422,203,927.29 - Step 5: Solve for x
x = 369,422,203,927.29/995,378.13 - Step 6: Final answer
x = 371,137.55
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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.