Finding the Fourth Proportional to 404,944.10, 558,827.06 and 223,660.63
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Solution
The fourth proportional to 404,944.10, 558,827.06 and 223,660.63 is: 308,653.99
Step by Step Solution
- Step 1: Write the proportion equation
404,944.10 : 558,827.06 = 223,660.63 : x - Step 2: Convert to fraction form
404,944.10/558,827.06 = 223,660.63/x - Step 3: Cross multiply
404,944.10x = 558,827.06 × 223,660.63 - Step 4: Simplify right side
404,944.10x = 124,987,612,300.65 - Step 5: Solve for x
x = 124,987,612,300.65/404,944.10 - Step 6: Final answer
x = 308,653.99
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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.