Finding the Fourth Proportional to 448,204.88, 618,515.64 and 257,213.84
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Solution
The fourth proportional to 448,204.88, 618,515.64 and 257,213.84 is: 354,951.03
Step by Step Solution
- Step 1: Write the proportion equation
448,204.88 : 618,515.64 = 257,213.84 : x - Step 2: Convert to fraction form
448,204.88/618,515.64 = 257,213.84/x - Step 3: Cross multiply
448,204.88x = 618,515.64 × 257,213.84 - Step 4: Simplify right side
448,204.88x = 159,090,782,864.46 - Step 5: Solve for x
x = 159,090,782,864.46/448,204.88 - Step 6: Final answer
x = 354,951.03
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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.