Finding the Fourth Proportional to 135,134.98, 202,727.17 and 45,169.18
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Solution
The fourth proportional to 135,134.98, 202,727.17 and 45,169.18 is: 67,762.03
Step by Step Solution
- Step 1: Write the proportion equation
135,134.98 : 202,727.17 = 45,169.18 : x - Step 2: Convert to fraction form
135,134.98/202,727.17 = 45,169.18/x - Step 3: Cross multiply
135,134.98x = 202,727.17 × 45,169.18 - Step 4: Simplify right side
135,134.98x = 9,157,020,032.62 - Step 5: Solve for x
x = 9,157,020,032.62/135,134.98 - Step 6: Final answer
x = 67,762.03
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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.