Finding the Fourth Proportional to 192,656.46, 289,104.99 and 138,626.64
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Solution
The fourth proportional to 192,656.46, 289,104.99 and 138,626.64 is: 208,026.52
Step by Step Solution
- Step 1: Write the proportion equation
192,656.46 : 289,104.99 = 138,626.64 : x - Step 2: Convert to fraction form
192,656.46/289,104.99 = 138,626.64/x - Step 3: Cross multiply
192,656.46x = 289,104.99 × 138,626.64 - Step 4: Simplify right side
192,656.46x = 40,077,653,370.93 - Step 5: Solve for x
x = 40,077,653,370.93/192,656.46 - Step 6: Final answer
x = 208,026.52
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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.