Finding the Fourth Proportional to 264,162.80, 396,230.28 and 86,646.44
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Solution
The fourth proportional to 264,162.80, 396,230.28 and 86,646.44 is: 129,965.09
Step by Step Solution
- Step 1: Write the proportion equation
264,162.80 : 396,230.28 = 86,646.44 : x - Step 2: Convert to fraction form
264,162.80/396,230.28 = 86,646.44/x - Step 3: Cross multiply
264,162.80x = 396,230.28 × 86,646.44 - Step 4: Simplify right side
264,162.80x = 34,331,943,182.20 - Step 5: Solve for x
x = 34,331,943,182.20/264,162.80 - Step 6: Final answer
x = 129,965.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.