Finding the Fourth Proportional to 258,771.68, 357,105.04 and 145,594.44
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Solution
The fourth proportional to 258,771.68, 357,105.04 and 145,594.44 is: 200,920.40
Step by Step Solution
- Step 1: Write the proportion equation
258,771.68 : 357,105.04 = 145,594.44 : x - Step 2: Convert to fraction form
258,771.68/357,105.04 = 145,594.44/x - Step 3: Cross multiply
258,771.68x = 357,105.04 × 145,594.44 - Step 4: Simplify right side
258,771.68x = 51,992,508,319.98 - Step 5: Solve for x
x = 51,992,508,319.98/258,771.68 - Step 6: Final answer
x = 200,920.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.