Finding the Fourth Proportional to 396,377.99, 594,545.74 and 140,192.81
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Solution
The fourth proportional to 396,377.99, 594,545.74 and 140,192.81 is: 210,281.70
Step by Step Solution
- Step 1: Write the proportion equation
396,377.99 : 594,545.74 = 140,192.81 : x - Step 2: Convert to fraction form
396,377.99/594,545.74 = 140,192.81/x - Step 3: Cross multiply
396,377.99x = 594,545.74 × 140,192.81 - Step 4: Simplify right side
396,377.99x = 83,351,034,640.92 - Step 5: Solve for x
x = 83,351,034,640.92/396,377.99 - Step 6: Final answer
x = 210,281.70
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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.