Finding the Fourth Proportional to 392,232.24, 588,542.76 and 155,569.68
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Solution
The fourth proportional to 392,232.24, 588,542.76 and 155,569.68 is: 233,431.62
Step by Step Solution
- Step 1: Write the proportion equation
392,232.24 : 588,542.76 = 155,569.68 : x - Step 2: Convert to fraction form
392,232.24/588,542.76 = 155,569.68/x - Step 3: Cross multiply
392,232.24x = 588,542.76 × 155,569.68 - Step 4: Simplify right side
392,232.24x = 91,559,408,839.52 - Step 5: Solve for x
x = 91,559,408,839.52/392,232.24 - Step 6: Final answer
x = 233,431.62
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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.