Finding the Fourth Proportional to 338,807.76, 508,516.28 and 181,170.96
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Solution
The fourth proportional to 338,807.76, 508,516.28 and 181,170.96 is: 271,919.34
Step by Step Solution
- Step 1: Write the proportion equation
338,807.76 : 508,516.28 = 181,170.96 : x - Step 2: Convert to fraction form
338,807.76/508,516.28 = 181,170.96/x - Step 3: Cross multiply
338,807.76x = 508,516.28 × 181,170.96 - Step 4: Simplify right side
338,807.76x = 92,128,382,623.23 - Step 5: Solve for x
x = 92,128,382,623.23/338,807.76 - Step 6: Final answer
x = 271,919.34
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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.