Finding the Fourth Proportional to 439,701.27, 659,577.42 and 124,131.75
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Solution
The fourth proportional to 439,701.27, 659,577.42 and 124,131.75 is: 186,204.83
Step by Step Solution
- Step 1: Write the proportion equation
439,701.27 : 659,577.42 = 124,131.75 : x - Step 2: Convert to fraction form
439,701.27/659,577.42 = 124,131.75/x - Step 3: Cross multiply
439,701.27x = 659,577.42 × 124,131.75 - Step 4: Simplify right side
439,701.27x = 81,874,499,405.09 - Step 5: Solve for x
x = 81,874,499,405.09/439,701.27 - Step 6: Final answer
x = 186,204.83
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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.