Finding the Fourth Proportional to 202,919.80, 304,379.70 and 84,551.80
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Solution
The fourth proportional to 202,919.80, 304,379.70 and 84,551.80 is: 126,827.70
Step by Step Solution
- Step 1: Write the proportion equation
202,919.80 : 304,379.70 = 84,551.80 : x - Step 2: Convert to fraction form
202,919.80/304,379.70 = 84,551.80/x - Step 3: Cross multiply
202,919.80x = 304,379.70 × 84,551.80 - Step 4: Simplify right side
202,919.80x = 25,735,851,518.46 - Step 5: Solve for x
x = 25,735,851,518.46/202,919.80 - Step 6: Final answer
x = 126,827.70
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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.