Finding the Fourth Proportional to 348,571.70, 522,079.95 and 286,363.70
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Solution
The fourth proportional to 348,571.70, 522,079.95 and 286,363.70 is: 428,906.72
Step by Step Solution
- Step 1: Write the proportion equation
348,571.70 : 522,079.95 = 286,363.70 : x - Step 2: Convert to fraction form
348,571.70/522,079.95 = 286,363.70/x - Step 3: Cross multiply
348,571.70x = 522,079.95 × 286,363.70 - Step 4: Simplify right side
348,571.70x = 149,504,746,177.82 - Step 5: Solve for x
x = 149,504,746,177.82/348,571.70 - Step 6: Final answer
x = 428,906.72
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1.5x scale
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.