Finding the Fourth Proportional to 202,798.11, 304,240.04 and 76,435.68
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Solution
The fourth proportional to 202,798.11, 304,240.04 and 76,435.68 is: 114,669.68
Step by Step Solution
- Step 1: Write the proportion equation
202,798.11 : 304,240.04 = 76,435.68 : x - Step 2: Convert to fraction form
202,798.11/304,240.04 = 76,435.68/x - Step 3: Cross multiply
202,798.11x = 304,240.04 × 76,435.68 - Step 4: Simplify right side
202,798.11x = 23,254,793,958.45 - Step 5: Solve for x
x = 23,254,793,958.45/202,798.11 - Step 6: Final answer
x = 114,669.68
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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.