Finding the Fourth Proportional to 490,862.13, 736,211.18 and 135,912.03
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Solution
The fourth proportional to 490,862.13, 736,211.18 and 135,912.03 is: 203,845.33
Step by Step Solution
- Step 1: Write the proportion equation
490,862.13 : 736,211.18 = 135,912.03 : x - Step 2: Convert to fraction form
490,862.13/736,211.18 = 135,912.03/x - Step 3: Cross multiply
490,862.13x = 736,211.18 × 135,912.03 - Step 4: Simplify right side
490,862.13x = 100,059,952,796.98 - Step 5: Solve for x
x = 100,059,952,796.98/490,862.13 - Step 6: Final answer
x = 203,845.33
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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.