Finding the Fourth Proportional to 452,713.36, 624,744.32 and 248,777.44
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Solution
The fourth proportional to 452,713.36, 624,744.32 and 248,777.44 is: 343,312.80
Step by Step Solution
- Step 1: Write the proportion equation
452,713.36 : 624,744.32 = 248,777.44 : x - Step 2: Convert to fraction form
452,713.36/624,744.32 = 248,777.44/x - Step 3: Cross multiply
452,713.36x = 624,744.32 × 248,777.44 - Step 4: Simplify right side
452,713.36x = 155,422,292,584.14 - Step 5: Solve for x
x = 155,422,292,584.14/452,713.36 - Step 6: Final answer
x = 343,312.80
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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.