Finding the Fourth Proportional to 134,790.90, 202,186.35 and 133,041.30
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Solution
The fourth proportional to 134,790.90, 202,186.35 and 133,041.30 is: 199,561.95
Step by Step Solution
- Step 1: Write the proportion equation
134,790.90 : 202,186.35 = 133,041.30 : x - Step 2: Convert to fraction form
134,790.90/202,186.35 = 133,041.30/x - Step 3: Cross multiply
134,790.90x = 202,186.35 × 133,041.30 - Step 4: Simplify right side
134,790.90x = 26,899,134,846.26 - Step 5: Solve for x
x = 26,899,134,846.26/134,790.90 - Step 6: Final answer
x = 199,561.95
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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.