Finding the Fourth Proportional to 348,344.75, 522,391.74 and 120,578.48
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Solution
The fourth proportional to 348,344.75, 522,391.74 and 120,578.48 is: 180,824.32
Step by Step Solution
- Step 1: Write the proportion equation
348,344.75 : 522,391.74 = 120,578.48 : x - Step 2: Convert to fraction form
348,344.75/522,391.74 = 120,578.48/x - Step 3: Cross multiply
348,344.75x = 522,391.74 × 120,578.48 - Step 4: Simplify right side
348,344.75x = 62,989,201,320.69 - Step 5: Solve for x
x = 62,989,201,320.69/348,344.75 - Step 6: Final answer
x = 180,824.32
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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.