Finding the Fourth Proportional to 439,640.10, 659,115.63 and 173,599.75
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Solution
The fourth proportional to 439,640.10, 659,115.63 and 173,599.75 is: 260,263.59
Step by Step Solution
- Step 1: Write the proportion equation
439,640.10 : 659,115.63 = 173,599.75 : x - Step 2: Convert to fraction form
439,640.10/659,115.63 = 173,599.75/x - Step 3: Cross multiply
439,640.10x = 659,115.63 × 173,599.75 - Step 4: Simplify right side
439,640.10x = 114,422,308,589.09 - Step 5: Solve for x
x = 114,422,308,589.09/439,640.10 - Step 6: Final answer
x = 260,263.59
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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.