Finding the Fourth Proportional to 576,257.40, 865,163.70 and 366,305.40
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Solution
The fourth proportional to 576,257.40, 865,163.70 and 366,305.40 is: 549,952.39
Step by Step Solution
- Step 1: Write the proportion equation
576,257.40 : 865,163.70 = 366,305.40 : x - Step 2: Convert to fraction form
576,257.40/865,163.70 = 366,305.40/x - Step 3: Cross multiply
576,257.40x = 865,163.70 × 366,305.40 - Step 4: Simplify right side
576,257.40x = 316,914,135,193.98 - Step 5: Solve for x
x = 316,914,135,193.98/576,257.40 - Step 6: Final answer
x = 549,952.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.