Finding the Fourth Proportional to 346,313.20, 519,469.80 and 310,883.80
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Solution
The fourth proportional to 346,313.20, 519,469.80 and 310,883.80 is: 466,325.70
Step by Step Solution
- Step 1: Write the proportion equation
346,313.20 : 519,469.80 = 310,883.80 : x - Step 2: Convert to fraction form
346,313.20/519,469.80 = 310,883.80/x - Step 3: Cross multiply
346,313.20x = 519,469.80 × 310,883.80 - Step 4: Simplify right side
346,313.20x = 161,494,745,409.24 - Step 5: Solve for x
x = 161,494,745,409.24/346,313.20 - Step 6: Final answer
x = 466,325.70
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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.