Finding the Fourth Proportional to 419,506.54, 628,771.61 and 239,717.98
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Solution
The fourth proportional to 419,506.54, 628,771.61 and 239,717.98 is: 359,298.00
Step by Step Solution
- Step 1: Write the proportion equation
419,506.54 : 628,771.61 = 239,717.98 : x - Step 2: Convert to fraction form
419,506.54/628,771.61 = 239,717.98/x - Step 3: Cross multiply
419,506.54x = 628,771.61 × 239,717.98 - Step 4: Simplify right side
419,506.54x = 150,727,861,615.81 - Step 5: Solve for x
x = 150,727,861,615.81/419,506.54 - Step 6: Final answer
x = 359,298.00
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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.