Finding the Fourth Proportional to 141,545.16, 212,319.36 and 36,361.26
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Solution
The fourth proportional to 141,545.16, 212,319.36 and 36,361.26 is: 54,542.31
Step by Step Solution
- Step 1: Write the proportion equation
141,545.16 : 212,319.36 = 36,361.26 : x - Step 2: Convert to fraction form
141,545.16/212,319.36 = 36,361.26/x - Step 3: Cross multiply
141,545.16x = 212,319.36 × 36,361.26 - Step 4: Simplify right side
141,545.16x = 7,720,199,451.99 - Step 5: Solve for x
x = 7,720,199,451.99/141,545.16 - Step 6: Final answer
x = 54,542.31
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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.