Finding the Fourth Proportional to 685,188.48, 1,027,527.36 and 235,783.68
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Solution
The fourth proportional to 685,188.48, 1,027,527.36 and 235,783.68 is: 353,587.65
Step by Step Solution
- Step 1: Write the proportion equation
685,188.48 : 1,027,527.36 = 235,783.68 : x - Step 2: Convert to fraction form
685,188.48/1,027,527.36 = 235,783.68/x - Step 3: Cross multiply
685,188.48x = 1,027,527.36 × 235,783.68 - Step 4: Simplify right side
685,188.48x = 242,274,182,241.49 - Step 5: Solve for x
x = 242,274,182,241.49/685,188.48 - Step 6: Final answer
x = 353,587.65
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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.