Finding the Fourth Proportional to 297,138.18, 445,545.99 and 134,943.15
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Solution
The fourth proportional to 297,138.18, 445,545.99 and 134,943.15 is: 202,341.48
Step by Step Solution
- Step 1: Write the proportion equation
297,138.18 : 445,545.99 = 134,943.15 : x - Step 2: Convert to fraction form
297,138.18/445,545.99 = 134,943.15/x - Step 3: Cross multiply
297,138.18x = 445,545.99 × 134,943.15 - Step 4: Simplify right side
297,138.18x = 60,123,379,360.47 - Step 5: Solve for x
x = 60,123,379,360.47/297,138.18 - Step 6: Final answer
x = 202,341.48
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1.5x scale
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.