Finding the Fourth Proportional to 402,827.58, 555,858.99 and 233,029.98
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Solution
The fourth proportional to 402,827.58, 555,858.99 and 233,029.98 is: 321,556.46
Step by Step Solution
- Step 1: Write the proportion equation
402,827.58 : 555,858.99 = 233,029.98 : x - Step 2: Convert to fraction form
402,827.58/555,858.99 = 233,029.98/x - Step 3: Cross multiply
402,827.58x = 555,858.99 × 233,029.98 - Step 4: Simplify right side
402,827.58x = 129,531,809,322.52 - Step 5: Solve for x
x = 129,531,809,322.52/402,827.58 - Step 6: Final answer
x = 321,556.46
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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.