Finding the Fourth Proportional to 451,377.97, 622,920.68 and 257,817.53
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Solution
The fourth proportional to 451,377.97, 622,920.68 and 257,817.53 is: 355,799.09
Step by Step Solution
- Step 1: Write the proportion equation
451,377.97 : 622,920.68 = 257,817.53 : x - Step 2: Convert to fraction form
451,377.97/622,920.68 = 257,817.53/x - Step 3: Cross multiply
451,377.97x = 622,920.68 × 257,817.53 - Step 4: Simplify right side
451,377.97x = 160,599,871,103.52 - Step 5: Solve for x
x = 160,599,871,103.52/451,377.97 - Step 6: Final answer
x = 355,799.09
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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.