Finding the Fourth Proportional to 460,354.21, 635,286.84 and 256,407.55
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Solution
The fourth proportional to 460,354.21, 635,286.84 and 256,407.55 is: 353,841.32
Step by Step Solution
- Step 1: Write the proportion equation
460,354.21 : 635,286.84 = 256,407.55 : x - Step 2: Convert to fraction form
460,354.21/635,286.84 = 256,407.55/x - Step 3: Cross multiply
460,354.21x = 635,286.84 × 256,407.55 - Step 4: Simplify right side
460,354.21x = 162,892,342,191.64 - Step 5: Solve for x
x = 162,892,342,191.64/460,354.21 - Step 6: Final answer
x = 353,841.32
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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.