Finding the Fourth Proportional to 438,202.96, 655,574.99 and 331,893.23
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Solution
The fourth proportional to 438,202.96, 655,574.99 and 331,893.23 is: 496,529.96
Step by Step Solution
- Step 1: Write the proportion equation
438,202.96 : 655,574.99 = 331,893.23 : x - Step 2: Convert to fraction form
438,202.96/655,574.99 = 331,893.23/x - Step 3: Cross multiply
438,202.96x = 655,574.99 × 331,893.23 - Step 4: Simplify right side
438,202.96x = 217,580,896,000.98 - Step 5: Solve for x
x = 217,580,896,000.98/438,202.96 - Step 6: Final answer
x = 496,529.96
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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.