Finding the Fourth Proportional to 135,159.74, 202,768.62 and 40,397.33
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Solution
The fourth proportional to 135,159.74, 202,768.62 and 40,397.33 is: 60,604.67
Step by Step Solution
- Step 1: Write the proportion equation
135,159.74 : 202,768.62 = 40,397.33 : x - Step 2: Convert to fraction form
135,159.74/202,768.62 = 40,397.33/x - Step 3: Cross multiply
135,159.74x = 202,768.62 × 40,397.33 - Step 4: Simplify right side
135,159.74x = 8,191,311,211.22 - Step 5: Solve for x
x = 8,191,311,211.22/135,159.74 - Step 6: Final answer
x = 60,604.67
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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.