Finding the Fourth Proportional to 460,748.97, 635,836.69 and 256,813.02
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Solution
The fourth proportional to 460,748.97, 635,836.69 and 256,813.02 is: 354,403.70
Step by Step Solution
- Step 1: Write the proportion equation
460,748.97 : 635,836.69 = 256,813.02 : x - Step 2: Convert to fraction form
460,748.97/635,836.69 = 256,813.02/x - Step 3: Cross multiply
460,748.97x = 635,836.69 × 256,813.02 - Step 4: Simplify right side
460,748.97x = 163,291,140,906.72 - Step 5: Solve for x
x = 163,291,140,906.72/460,748.97 - Step 6: Final answer
x = 354,403.70
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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.