Finding the Fourth Proportional to 490,863.13, 736,212.68 and 135,913.03
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Solution
The fourth proportional to 490,863.13, 736,212.68 and 135,913.03 is: 203,846.84
Step by Step Solution
- Step 1: Write the proportion equation
490,863.13 : 736,212.68 = 135,913.03 : x - Step 2: Convert to fraction form
490,863.13/736,212.68 = 135,913.03/x - Step 3: Cross multiply
490,863.13x = 736,212.68 × 135,913.03 - Step 4: Simplify right side
490,863.13x = 100,060,896,063.22 - Step 5: Solve for x
x = 100,060,896,063.22/490,863.13 - Step 6: Final answer
x = 203,846.84
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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.