Finding the Fourth Proportional to 347,765.34, 479,444.97 and 297,319.96
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Solution
The fourth proportional to 347,765.34, 479,444.97 and 297,319.96 is: 409,898.70
Step by Step Solution
- Step 1: Write the proportion equation
347,765.34 : 479,444.97 = 297,319.96 : x - Step 2: Convert to fraction form
347,765.34/479,444.97 = 297,319.96/x - Step 3: Cross multiply
347,765.34x = 479,444.97 × 297,319.96 - Step 4: Simplify right side
347,765.34x = 142,548,559,302.60 - Step 5: Solve for x
x = 142,548,559,302.60/347,765.34 - Step 6: Final answer
x = 409,898.70
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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.