Finding the Fourth Proportional to 457,336.22, 631,115.82 and 253,383.08
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Solution
The fourth proportional to 457,336.22, 631,115.82 and 253,383.08 is: 349,664.12
Step by Step Solution
- Step 1: Write the proportion equation
457,336.22 : 631,115.82 = 253,383.08 : x - Step 2: Convert to fraction form
457,336.22/631,115.82 = 253,383.08/x - Step 3: Cross multiply
457,336.22x = 631,115.82 × 253,383.08 - Step 4: Simplify right side
457,336.22x = 159,914,067,152.75 - Step 5: Solve for x
x = 159,914,067,152.75/457,336.22 - Step 6: Final answer
x = 349,664.12
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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.