Finding the Fourth Proportional to 286,769.44, 430,153.20 and 73,537.12
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Solution
The fourth proportional to 286,769.44, 430,153.20 and 73,537.12 is: 110,305.43
Step by Step Solution
- Step 1: Write the proportion equation
286,769.44 : 430,153.20 = 73,537.12 : x - Step 2: Convert to fraction form
286,769.44/430,153.20 = 73,537.12/x - Step 3: Cross multiply
286,769.44x = 430,153.20 × 73,537.12 - Step 4: Simplify right side
286,769.44x = 31,632,227,486.78 - Step 5: Solve for x
x = 31,632,227,486.78/286,769.44 - Step 6: Final answer
x = 110,305.43
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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.