Finding the Fourth Proportional to 375,661.44, 518,249.88 and 248,514.12
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Solution
The fourth proportional to 375,661.44, 518,249.88 and 248,514.12 is: 342,841.72
Step by Step Solution
- Step 1: Write the proportion equation
375,661.44 : 518,249.88 = 248,514.12 : x - Step 2: Convert to fraction form
375,661.44/518,249.88 = 248,514.12/x - Step 3: Cross multiply
375,661.44x = 518,249.88 × 248,514.12 - Step 4: Simplify right side
375,661.44x = 128,792,412,868.31 - Step 5: Solve for x
x = 128,792,412,868.31/375,661.44 - Step 6: Final answer
x = 342,841.72
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.