Finding the Fourth Proportional to 135,013.20, 202,519.80 and 133,044.90
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Solution
The fourth proportional to 135,013.20, 202,519.80 and 133,044.90 is: 199,567.35
Step by Step Solution
- Step 1: Write the proportion equation
135,013.20 : 202,519.80 = 133,044.90 : x - Step 2: Convert to fraction form
135,013.20/202,519.80 = 133,044.90/x - Step 3: Cross multiply
135,013.20x = 202,519.80 × 133,044.90 - Step 4: Simplify right side
135,013.20x = 26,944,226,539.02 - Step 5: Solve for x
x = 26,944,226,539.02/135,013.20 - Step 6: Final answer
x = 199,567.35
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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.