Finding the Fourth Proportional to 192,406.24, 288,656.40 and 135,590.97
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Solution
The fourth proportional to 192,406.24, 288,656.40 and 135,590.97 is: 203,419.60
Step by Step Solution
- Step 1: Write the proportion equation
192,406.24 : 288,656.40 = 135,590.97 : x - Step 2: Convert to fraction form
192,406.24/288,656.40 = 135,590.97/x - Step 3: Cross multiply
192,406.24x = 288,656.40 × 135,590.97 - Step 4: Simplify right side
192,406.24x = 39,139,201,098.42 - Step 5: Solve for x
x = 39,139,201,098.42/192,406.24 - Step 6: Final answer
x = 203,419.60
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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.