Finding the Fourth Proportional to 324,399.51, 486,703.53 and 155,932.05
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Solution
The fourth proportional to 324,399.51, 486,703.53 and 155,932.05 is: 233,948.19
Step by Step Solution
- Step 1: Write the proportion equation
324,399.51 : 486,703.53 = 155,932.05 : x - Step 2: Convert to fraction form
324,399.51/486,703.53 = 155,932.05/x - Step 3: Cross multiply
324,399.51x = 486,703.53 × 155,932.05 - Step 4: Simplify right side
324,399.51x = 75,892,679,175.14 - Step 5: Solve for x
x = 75,892,679,175.14/324,399.51 - Step 6: Final answer
x = 233,948.19
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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.