Finding the Fourth Proportional to 463,987.44, 640,249.41 and 270,436.12
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Solution
The fourth proportional to 463,987.44, 640,249.41 and 270,436.12 is: 373,170.80
Step by Step Solution
- Step 1: Write the proportion equation
463,987.44 : 640,249.41 = 270,436.12 : x - Step 2: Convert to fraction form
463,987.44/640,249.41 = 270,436.12/x - Step 3: Cross multiply
463,987.44x = 640,249.41 × 270,436.12 - Step 4: Simplify right side
463,987.44x = 173,146,565,686.20 - Step 5: Solve for x
x = 173,146,565,686.20/463,987.44 - Step 6: Final answer
x = 373,170.80
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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.