Finding the Fourth Proportional to 348,812.70, 523,219.05 and 342,907.80
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Solution
The fourth proportional to 348,812.70, 523,219.05 and 342,907.80 is: 514,361.70
Step by Step Solution
- Step 1: Write the proportion equation
348,812.70 : 523,219.05 = 342,907.80 : x - Step 2: Convert to fraction form
348,812.70/523,219.05 = 342,907.80/x - Step 3: Cross multiply
348,812.70x = 523,219.05 × 342,907.80 - Step 4: Simplify right side
348,812.70x = 179,415,893,353.59 - Step 5: Solve for x
x = 179,415,893,353.59/348,812.70 - Step 6: Final answer
x = 514,361.70
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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.