Finding the Fourth Proportional to 134,378.38, 201,596.72 and 40,881.70
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Solution
The fourth proportional to 134,378.38, 201,596.72 and 40,881.70 is: 61,331.41
Step by Step Solution
- Step 1: Write the proportion equation
134,378.38 : 201,596.72 = 40,881.70 : x - Step 2: Convert to fraction form
134,378.38/201,596.72 = 40,881.70/x - Step 3: Cross multiply
134,378.38x = 201,596.72 × 40,881.70 - Step 4: Simplify right side
134,378.38x = 8,241,615,415.63 - Step 5: Solve for x
x = 8,241,615,415.63/134,378.38 - Step 6: Final answer
x = 61,331.41
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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.