Finding the Fourth Proportional to 455,958.36, 683,946.18 and 140,414.76
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Solution
The fourth proportional to 455,958.36, 683,946.18 and 140,414.76 is: 210,624.80
Step by Step Solution
- Step 1: Write the proportion equation
455,958.36 : 683,946.18 = 140,414.76 : x - Step 2: Convert to fraction form
455,958.36/683,946.18 = 140,414.76/x - Step 3: Cross multiply
455,958.36x = 683,946.18 × 140,414.76 - Step 4: Simplify right side
455,958.36x = 96,036,138,717.62 - Step 5: Solve for x
x = 96,036,138,717.62/455,958.36 - Step 6: Final answer
x = 210,624.80
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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.