Finding the Fourth Proportional to 118,487.44, 177,713.63 and 43,590.07
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Solution
The fourth proportional to 118,487.44, 177,713.63 and 43,590.07 is: 65,378.66
Step by Step Solution
- Step 1: Write the proportion equation
118,487.44 : 177,713.63 = 43,590.07 : x - Step 2: Convert to fraction form
118,487.44/177,713.63 = 43,590.07/x - Step 3: Cross multiply
118,487.44x = 177,713.63 × 43,590.07 - Step 4: Simplify right side
118,487.44x = 7,746,549,571.65 - Step 5: Solve for x
x = 7,746,549,571.65/118,487.44 - Step 6: Final answer
x = 65,378.66
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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.