Finding the Fourth Proportional to 215,421.63, 297,293.63 and 119,926.23
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Solution
The fourth proportional to 215,421.63, 297,293.63 and 119,926.23 is: 165,504.75
Step by Step Solution
- Step 1: Write the proportion equation
215,421.63 : 297,293.63 = 119,926.23 : x - Step 2: Convert to fraction form
215,421.63/297,293.63 = 119,926.23/x - Step 3: Cross multiply
215,421.63x = 297,293.63 × 119,926.23 - Step 4: Simplify right side
215,421.63x = 35,653,303,649.28 - Step 5: Solve for x
x = 35,653,303,649.28/215,421.63 - Step 6: Final answer
x = 165,504.75
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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.