Finding the Fourth Proportional to 490,528.60, 735,793.24 and 135,542.96
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Solution
The fourth proportional to 490,528.60, 735,793.24 and 135,542.96 is: 203,314.53
Step by Step Solution
- Step 1: Write the proportion equation
490,528.60 : 735,793.24 = 135,542.96 : x - Step 2: Convert to fraction form
490,528.60/735,793.24 = 135,542.96/x - Step 3: Cross multiply
490,528.60x = 735,793.24 × 135,542.96 - Step 4: Simplify right side
490,528.60x = 99,731,593,697.59 - Step 5: Solve for x
x = 99,731,593,697.59/490,528.60 - Step 6: Final answer
x = 203,314.53
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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.