Finding the Fourth Proportional to 490,797.55, 736,212.68 and 135,781.84
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Solution
The fourth proportional to 490,797.55, 736,212.68 and 135,781.84 is: 203,677.28
Step by Step Solution
- Step 1: Write the proportion equation
490,797.55 : 736,212.68 = 135,781.84 : x - Step 2: Convert to fraction form
490,797.55/736,212.68 = 135,781.84/x - Step 3: Cross multiply
490,797.55x = 736,212.68 × 135,781.84 - Step 4: Simplify right side
490,797.55x = 99,964,312,321.73 - Step 5: Solve for x
x = 99,964,312,321.73/490,797.55 - Step 6: Final answer
x = 203,677.28
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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.