Finding the Fourth Proportional to 258,164.08, 387,112.50 and 115,886.84
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Solution
The fourth proportional to 258,164.08, 387,112.50 and 115,886.84 is: 173,770.28
Step by Step Solution
- Step 1: Write the proportion equation
258,164.08 : 387,112.50 = 115,886.84 : x - Step 2: Convert to fraction form
258,164.08/387,112.50 = 115,886.84/x - Step 3: Cross multiply
258,164.08x = 387,112.50 × 115,886.84 - Step 4: Simplify right side
258,164.08x = 44,861,245,317.28 - Step 5: Solve for x
x = 44,861,245,317.28/258,164.08 - Step 6: Final answer
x = 173,770.28
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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.