Finding the Fourth Proportional to 319,706.99, 441,195.69 and 176,467.08
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Solution
The fourth proportional to 319,706.99, 441,195.69 and 176,467.08 is: 243,524.58
Step by Step Solution
- Step 1: Write the proportion equation
319,706.99 : 441,195.69 = 176,467.08 : x - Step 2: Convert to fraction form
319,706.99/441,195.69 = 176,467.08/x - Step 3: Cross multiply
319,706.99x = 441,195.69 × 176,467.08 - Step 4: Simplify right side
319,706.99x = 77,856,512,475.74 - Step 5: Solve for x
x = 77,856,512,475.74/319,706.99 - Step 6: Final answer
x = 243,524.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.