Finding the Fourth Proportional to 276,955.48, 382,198.08 and 149,630.68
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Solution
The fourth proportional to 276,955.48, 382,198.08 and 149,630.68 is: 206,490.08
Step by Step Solution
- Step 1: Write the proportion equation
276,955.48 : 382,198.08 = 149,630.68 : x - Step 2: Convert to fraction form
276,955.48/382,198.08 = 149,630.68/x - Step 3: Cross multiply
276,955.48x = 382,198.08 × 149,630.68 - Step 4: Simplify right side
276,955.48x = 57,188,558,605.09 - Step 5: Solve for x
x = 57,188,558,605.09/276,955.48 - Step 6: Final answer
x = 206,490.08
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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.