Finding the Fourth Proportional to 430,530.73, 645,446.17 and 150,244.81
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Solution
The fourth proportional to 430,530.73, 645,446.17 and 150,244.81 is: 225,245.09
Step by Step Solution
- Step 1: Write the proportion equation
430,530.73 : 645,446.17 = 150,244.81 : x - Step 2: Convert to fraction form
430,530.73/645,446.17 = 150,244.81/x - Step 3: Cross multiply
430,530.73x = 645,446.17 × 150,244.81 - Step 4: Simplify right side
430,530.73x = 96,974,933,574.03 - Step 5: Solve for x
x = 96,974,933,574.03/430,530.73 - Step 6: Final answer
x = 225,245.09
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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.