Finding the Fourth Proportional to 258,500.42, 387,750.77 and 118,160.63
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Solution
The fourth proportional to 258,500.42, 387,750.77 and 118,160.63 is: 177,241.00
Step by Step Solution
- Step 1: Write the proportion equation
258,500.42 : 387,750.77 = 118,160.63 : x - Step 2: Convert to fraction form
258,500.42/387,750.77 = 118,160.63/x - Step 3: Cross multiply
258,500.42x = 387,750.77 × 118,160.63 - Step 4: Simplify right side
258,500.42x = 45,816,872,736.63 - Step 5: Solve for x
x = 45,816,872,736.63/258,500.42 - Step 6: Final answer
x = 177,241.00
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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.