Finding the Fourth Proportional to 396,545.14, 547,232.98 and 215,257.19
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Solution
The fourth proportional to 396,545.14, 547,232.98 and 215,257.19 is: 297,055.30
Step by Step Solution
- Step 1: Write the proportion equation
396,545.14 : 547,232.98 = 215,257.19 : x - Step 2: Convert to fraction form
396,545.14/547,232.98 = 215,257.19/x - Step 3: Cross multiply
396,545.14x = 547,232.98 × 215,257.19 - Step 4: Simplify right side
396,545.14x = 117,795,833,404.23 - Step 5: Solve for x
x = 117,795,833,404.23/396,545.14 - Step 6: Final answer
x = 297,055.30
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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.