Finding the Fourth Proportional to 258,250.96, 387,365.88 and 71,257.68
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Solution
The fourth proportional to 258,250.96, 387,365.88 and 71,257.68 is: 106,883.61
Step by Step Solution
- Step 1: Write the proportion equation
258,250.96 : 387,365.88 = 71,257.68 : x - Step 2: Convert to fraction form
258,250.96/387,365.88 = 71,257.68/x - Step 3: Cross multiply
258,250.96x = 387,365.88 × 71,257.68 - Step 4: Simplify right side
258,250.96x = 27,602,793,919.96 - Step 5: Solve for x
x = 27,602,793,919.96/258,250.96 - Step 6: Final answer
x = 106,883.61
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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.