Finding the Fourth Proportional to 215,132.19, 296,847.50 and 119,636.43
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Solution
The fourth proportional to 215,132.19, 296,847.50 and 119,636.43 is: 165,078.85
Step by Step Solution
- Step 1: Write the proportion equation
215,132.19 : 296,847.50 = 119,636.43 : x - Step 2: Convert to fraction form
215,132.19/296,847.50 = 119,636.43/x - Step 3: Cross multiply
215,132.19x = 296,847.50 × 119,636.43 - Step 4: Simplify right side
215,132.19x = 35,513,774,556.24 - Step 5: Solve for x
x = 35,513,774,556.24/215,132.19 - Step 6: Final answer
x = 165,078.85
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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.