Finding the Fourth Proportional to 135,006.80, 202,267.20 and 107,110.40
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Solution
The fourth proportional to 135,006.80, 202,267.20 and 107,110.40 is: 160,472.81
Step by Step Solution
- Step 1: Write the proportion equation
135,006.80 : 202,267.20 = 107,110.40 : x - Step 2: Convert to fraction form
135,006.80/202,267.20 = 107,110.40/x - Step 3: Cross multiply
135,006.80x = 202,267.20 × 107,110.40 - Step 4: Simplify right side
135,006.80x = 21,664,920,698.88 - Step 5: Solve for x
x = 21,664,920,698.88/135,006.80 - Step 6: Final answer
x = 160,472.81
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1.5x scale
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.