Finding the Fourth Proportional to 348,542.60, 522,122.70 and 207,883.40
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Solution
The fourth proportional to 348,542.60, 522,122.70 and 207,883.40 is: 311,412.84
Step by Step Solution
- Step 1: Write the proportion equation
348,542.60 : 522,122.70 = 207,883.40 : x - Step 2: Convert to fraction form
348,542.60/522,122.70 = 207,883.40/x - Step 3: Cross multiply
348,542.60x = 522,122.70 × 207,883.40 - Step 4: Simplify right side
348,542.60x = 108,540,642,093.18 - Step 5: Solve for x
x = 108,540,642,093.18/348,542.60 - Step 6: Final answer
x = 311,412.84
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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.