Finding the Fourth Proportional to 415,769.60, 573,708.80 and 236,979.20
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Solution
The fourth proportional to 415,769.60, 573,708.80 and 236,979.20 is: 327,000.95
Step by Step Solution
- Step 1: Write the proportion equation
415,769.60 : 573,708.80 = 236,979.20 : x - Step 2: Convert to fraction form
415,769.60/573,708.80 = 236,979.20/x - Step 3: Cross multiply
415,769.60x = 573,708.80 × 236,979.20 - Step 4: Simplify right side
415,769.60x = 135,957,052,456.96 - Step 5: Solve for x
x = 135,957,052,456.96/415,769.60 - Step 6: Final answer
x = 327,000.95
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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.