Finding the Fourth Proportional to 192,390.99, 265,499.15 and 107,508.05
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Solution
The fourth proportional to 192,390.99, 265,499.15 and 107,508.05 is: 148,360.88
Step by Step Solution
- Step 1: Write the proportion equation
192,390.99 : 265,499.15 = 107,508.05 : x - Step 2: Convert to fraction form
192,390.99/265,499.15 = 107,508.05/x - Step 3: Cross multiply
192,390.99x = 265,499.15 × 107,508.05 - Step 4: Simplify right side
192,390.99x = 28,543,296,019.37 - Step 5: Solve for x
x = 28,543,296,019.37/192,390.99 - Step 6: Final answer
x = 148,360.88
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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.