Finding the Fourth Proportional to 460,672.24, 635,728.30 and 256,718.68
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Solution
The fourth proportional to 460,672.24, 635,728.30 and 256,718.68 is: 354,272.12
Step by Step Solution
- Step 1: Write the proportion equation
460,672.24 : 635,728.30 = 256,718.68 : x - Step 2: Convert to fraction form
460,672.24/635,728.30 = 256,718.68/x - Step 3: Cross multiply
460,672.24x = 635,728.30 × 256,718.68 - Step 4: Simplify right side
460,672.24x = 163,203,330,014.64 - Step 5: Solve for x
x = 163,203,330,014.64/460,672.24 - Step 6: Final answer
x = 354,272.12
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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.