Finding the Fourth Proportional to 460,627.36, 635,656.18 and 256,677.44
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Solution
The fourth proportional to 460,627.36, 635,656.18 and 256,677.44 is: 354,209.53
Step by Step Solution
- Step 1: Write the proportion equation
460,627.36 : 635,656.18 = 256,677.44 : x - Step 2: Convert to fraction form
460,627.36/635,656.18 = 256,677.44/x - Step 3: Cross multiply
460,627.36x = 635,656.18 × 256,677.44 - Step 4: Simplify right side
460,627.36x = 163,158,601,002.58 - Step 5: Solve for x
x = 163,158,601,002.58/460,627.36 - Step 6: Final answer
x = 354,209.53
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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.