Finding the Fourth Proportional to 190,527.19, 285,790.93 and 48,383.12
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Solution
The fourth proportional to 190,527.19, 285,790.93 and 48,383.12 is: 72,574.72
Step by Step Solution
- Step 1: Write the proportion equation
190,527.19 : 285,790.93 = 48,383.12 : x - Step 2: Convert to fraction form
190,527.19/285,790.93 = 48,383.12/x - Step 3: Cross multiply
190,527.19x = 285,790.93 × 48,383.12 - Step 4: Simplify right side
190,527.19x = 13,827,457,454.62 - Step 5: Solve for x
x = 13,827,457,454.62/190,527.19 - Step 6: Final answer
x = 72,574.72
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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.