Finding the Fourth Proportional to 448,701.75, 619,208.43 and 247,497.75
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Solution
The fourth proportional to 448,701.75, 619,208.43 and 247,497.75 is: 341,546.90
Step by Step Solution
- Step 1: Write the proportion equation
448,701.75 : 619,208.43 = 247,497.75 : x - Step 2: Convert to fraction form
448,701.75/619,208.43 = 247,497.75/x - Step 3: Cross multiply
448,701.75x = 619,208.43 × 247,497.75 - Step 4: Simplify right side
448,701.75x = 153,252,693,206.03 - Step 5: Solve for x
x = 153,252,693,206.03/448,701.75 - Step 6: Final answer
x = 341,546.90
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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.