Finding the Fourth Proportional to 995,511.20, 1,493,266.80 and 247,557.20
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Solution
The fourth proportional to 995,511.20, 1,493,266.80 and 247,557.20 is: 371,335.80
Step by Step Solution
- Step 1: Write the proportion equation
995,511.20 : 1,493,266.80 = 247,557.20 : x - Step 2: Convert to fraction form
995,511.20/1,493,266.80 = 247,557.20/x - Step 3: Cross multiply
995,511.20x = 1,493,266.80 × 247,557.20 - Step 4: Simplify right side
995,511.20x = 369,668,947,860.96 - Step 5: Solve for x
x = 369,668,947,860.96/995,511.20 - Step 6: Final answer
x = 371,335.80
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1.5x scale
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.