Finding the Fourth Proportional to 995,468.10, 1,493,202.15 and 247,514.10
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Solution
The fourth proportional to 995,468.10, 1,493,202.15 and 247,514.10 is: 371,271.15
Step by Step Solution
- Step 1: Write the proportion equation
995,468.10 : 1,493,202.15 = 247,514.10 : x - Step 2: Convert to fraction form
995,468.10/1,493,202.15 = 247,514.10/x - Step 3: Cross multiply
995,468.10x = 1,493,202.15 × 247,514.10 - Step 4: Simplify right side
995,468.10x = 369,588,586,275.32 - Step 5: Solve for x
x = 369,588,586,275.32/995,468.10 - Step 6: Final answer
x = 371,271.15
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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.