Finding the Fourth Proportional to 317,988.38, 477,052.74 and 176,040.74
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Solution
The fourth proportional to 317,988.38, 477,052.74 and 176,040.74 is: 264,099.96
Step by Step Solution
- Step 1: Write the proportion equation
317,988.38 : 477,052.74 = 176,040.74 : x - Step 2: Convert to fraction form
317,988.38/477,052.74 = 176,040.74/x - Step 3: Cross multiply
317,988.38x = 477,052.74 × 176,040.74 - Step 4: Simplify right side
317,988.38x = 83,980,718,561.26 - Step 5: Solve for x
x = 83,980,718,561.26/317,988.38 - Step 6: Final answer
x = 264,099.96
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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.