Finding the Fourth Proportional to 405,701.80, 608,552.70 and 125,218.60
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Solution
The fourth proportional to 405,701.80, 608,552.70 and 125,218.60 is: 187,827.90
Step by Step Solution
- Step 1: Write the proportion equation
405,701.80 : 608,552.70 = 125,218.60 : x - Step 2: Convert to fraction form
405,701.80/608,552.70 = 125,218.60/x - Step 3: Cross multiply
405,701.80x = 608,552.70 × 125,218.60 - Step 4: Simplify right side
405,701.80x = 76,202,117,120.22 - Step 5: Solve for x
x = 76,202,117,120.22/405,701.80 - Step 6: Final answer
x = 187,827.90
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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.