Finding the Fourth Proportional to 203,120.61, 280,303.00 and 112,474.63
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Solution
The fourth proportional to 203,120.61, 280,303.00 and 112,474.63 is: 155,213.09
Step by Step Solution
- Step 1: Write the proportion equation
203,120.61 : 280,303.00 = 112,474.63 : x - Step 2: Convert to fraction form
203,120.61/280,303.00 = 112,474.63/x - Step 3: Cross multiply
203,120.61x = 280,303.00 × 112,474.63 - Step 4: Simplify right side
203,120.61x = 31,526,976,282.08 - Step 5: Solve for x
x = 31,526,976,282.08/203,120.61 - Step 6: Final answer
x = 155,213.09
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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.