Finding the Fourth Proportional to 134,928.12, 202,356.84 and 40,132.81
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Solution
The fourth proportional to 134,928.12, 202,356.84 and 40,132.81 is: 60,188.70
Step by Step Solution
- Step 1: Write the proportion equation
134,928.12 : 202,356.84 = 40,132.81 : x - Step 2: Convert to fraction form
134,928.12/202,356.84 = 40,132.81/x - Step 3: Cross multiply
134,928.12x = 202,356.84 × 40,132.81 - Step 4: Simplify right side
134,928.12x = 8,121,148,106.03 - Step 5: Solve for x
x = 8,121,148,106.03/134,928.12 - Step 6: Final answer
x = 60,188.70
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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.