Finding the Fourth Proportional to 449,364.99, 620,127.32 and 248,160.99
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Solution
The fourth proportional to 449,364.99, 620,127.32 and 248,160.99 is: 342,464.17
Step by Step Solution
- Step 1: Write the proportion equation
449,364.99 : 620,127.32 = 248,160.99 : x - Step 2: Convert to fraction form
449,364.99/620,127.32 = 248,160.99/x - Step 3: Cross multiply
449,364.99x = 620,127.32 × 248,160.99 - Step 4: Simplify right side
449,364.99x = 153,891,408,416.44 - Step 5: Solve for x
x = 153,891,408,416.44/449,364.99 - Step 6: Final answer
x = 342,464.17
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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.