Finding the Fourth Proportional to 402,808.08, 555,832.08 and 233,010.48
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Solution
The fourth proportional to 402,808.08, 555,832.08 and 233,010.48 is: 321,529.55
Step by Step Solution
- Step 1: Write the proportion equation
402,808.08 : 555,832.08 = 233,010.48 : x - Step 2: Convert to fraction form
402,808.08/555,832.08 = 233,010.48/x - Step 3: Cross multiply
402,808.08x = 555,832.08 × 233,010.48 - Step 4: Simplify right side
402,808.08x = 129,514,699,760.20 - Step 5: Solve for x
x = 129,514,699,760.20/402,808.08 - Step 6: Final answer
x = 321,529.55
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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.