Finding the Fourth Proportional to 460,464.09, 635,430.87 and 256,514.73
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Solution
The fourth proportional to 460,464.09, 635,430.87 and 256,514.73 is: 353,984.99
Step by Step Solution
- Step 1: Write the proportion equation
460,464.09 : 635,430.87 = 256,514.73 : x - Step 2: Convert to fraction form
460,464.09/635,430.87 = 256,514.73/x - Step 3: Cross multiply
460,464.09x = 635,430.87 × 256,514.73 - Step 4: Simplify right side
460,464.09x = 162,997,378,051.72 - Step 5: Solve for x
x = 162,997,378,051.72/460,464.09 - Step 6: Final answer
x = 353,984.99
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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.