Finding the Fourth Proportional to 194,903.44, 268,966.74 and 105,479.44
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Solution
The fourth proportional to 194,903.44, 268,966.74 and 105,479.44 is: 145,561.62
Step by Step Solution
- Step 1: Write the proportion equation
194,903.44 : 268,966.74 = 105,479.44 : x - Step 2: Convert to fraction form
194,903.44/268,966.74 = 105,479.44/x - Step 3: Cross multiply
194,903.44x = 268,966.74 × 105,479.44 - Step 4: Simplify right side
194,903.44x = 28,370,460,836.96 - Step 5: Solve for x
x = 28,370,460,836.96/194,903.44 - Step 6: Final answer
x = 145,561.62
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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.