Finding the Fourth Proportional to 490,796.55, 736,211.18 and 135,780.84
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Solution
The fourth proportional to 490,796.55, 736,211.18 and 135,780.84 is: 203,675.79
Step by Step Solution
- Step 1: Write the proportion equation
490,796.55 : 736,211.18 = 135,780.84 : x - Step 2: Convert to fraction form
490,796.55/736,211.18 = 135,780.84/x - Step 3: Cross multiply
490,796.55x = 736,211.18 × 135,780.84 - Step 4: Simplify right side
490,796.55x = 99,963,372,777.24 - Step 5: Solve for x
x = 99,963,372,777.24/490,796.55 - Step 6: Final answer
x = 203,675.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.