Finding the Fourth Proportional to 276,204.94, 380,946.88 and 179,439.98
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Solution
The fourth proportional to 276,204.94, 380,946.88 and 179,439.98 is: 247,486.89
Step by Step Solution
- Step 1: Write the proportion equation
276,204.94 : 380,946.88 = 179,439.98 : x - Step 2: Convert to fraction form
276,204.94/380,946.88 = 179,439.98/x - Step 3: Cross multiply
276,204.94x = 380,946.88 × 179,439.98 - Step 4: Simplify right side
276,204.94x = 68,357,100,528.26 - Step 5: Solve for x
x = 68,357,100,528.26/276,204.94 - Step 6: Final answer
x = 247,486.89
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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.