Finding the Fourth Proportional to 433,251.74, 649,817.49 and 133,742.18
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Solution
The fourth proportional to 433,251.74, 649,817.49 and 133,742.18 is: 200,594.71
Step by Step Solution
- Step 1: Write the proportion equation
433,251.74 : 649,817.49 = 133,742.18 : x - Step 2: Convert to fraction form
433,251.74/649,817.49 = 133,742.18/x - Step 3: Cross multiply
433,251.74x = 649,817.49 × 133,742.18 - Step 4: Simplify right side
433,251.74x = 86,908,007,714.73 - Step 5: Solve for x
x = 86,908,007,714.73/433,251.74 - Step 6: Final answer
x = 200,594.71
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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.