Finding the Fourth Proportional to 547,551.70, 755,613.36 and 305,837.68
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Solution
The fourth proportional to 547,551.70, 755,613.36 and 305,837.68 is: 422,051.54
Step by Step Solution
- Step 1: Write the proportion equation
547,551.70 : 755,613.36 = 305,837.68 : x - Step 2: Convert to fraction form
547,551.70/755,613.36 = 305,837.68/x - Step 3: Cross multiply
547,551.70x = 755,613.36 × 305,837.68 - Step 4: Simplify right side
547,551.70x = 231,095,036,999.41 - Step 5: Solve for x
x = 231,095,036,999.41/547,551.70 - Step 6: Final answer
x = 422,051.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.