Finding the Fourth Proportional to 464,249.16, 640,943.28 and 303,373.44
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Solution
The fourth proportional to 464,249.16, 640,943.28 and 303,373.44 is: 418,837.95
Step by Step Solution
- Step 1: Write the proportion equation
464,249.16 : 640,943.28 = 303,373.44 : x - Step 2: Convert to fraction form
464,249.16/640,943.28 = 303,373.44/x - Step 3: Cross multiply
464,249.16x = 640,943.28 × 303,373.44 - Step 4: Simplify right side
464,249.16x = 194,445,167,698.48 - Step 5: Solve for x
x = 194,445,167,698.48/464,249.16 - Step 6: Final answer
x = 418,837.95
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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.