Finding the Fourth Proportional to 194,459.16, 268,251.18 and 133,924.92
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Solution
The fourth proportional to 194,459.16, 268,251.18 and 133,924.92 is: 184,745.82
Step by Step Solution
- Step 1: Write the proportion equation
194,459.16 : 268,251.18 = 133,924.92 : x - Step 2: Convert to fraction form
194,459.16/268,251.18 = 133,924.92/x - Step 3: Cross multiply
194,459.16x = 268,251.18 × 133,924.92 - Step 4: Simplify right side
194,459.16x = 35,925,517,821.41 - Step 5: Solve for x
x = 35,925,517,821.41/194,459.16 - Step 6: Final answer
x = 184,745.82
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.