Finding the Fourth Proportional to 465,091.12, 641,832.48 and 261,186.18
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Solution
The fourth proportional to 465,091.12, 641,832.48 and 261,186.18 is: 360,440.71
Step by Step Solution
- Step 1: Write the proportion equation
465,091.12 : 641,832.48 = 261,186.18 : x - Step 2: Convert to fraction form
465,091.12/641,832.48 = 261,186.18/x - Step 3: Cross multiply
465,091.12x = 641,832.48 × 261,186.18 - Step 4: Simplify right side
465,091.12x = 167,637,773,651.13 - Step 5: Solve for x
x = 167,637,773,651.13/465,091.12 - Step 6: Final answer
x = 360,440.71
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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.