Finding the Fourth Proportional to 300,124.24, 450,020.18 and 122,755.82
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Solution
The fourth proportional to 300,124.24, 450,020.18 and 122,755.82 is: 184,065.76
Step by Step Solution
- Step 1: Write the proportion equation
300,124.24 : 450,020.18 = 122,755.82 : x - Step 2: Convert to fraction form
300,124.24/450,020.18 = 122,755.82/x - Step 3: Cross multiply
300,124.24x = 450,020.18 × 122,755.82 - Step 4: Simplify right side
300,124.24x = 55,242,596,212.45 - Step 5: Solve for x
x = 55,242,596,212.45/300,124.24 - Step 6: Final answer
x = 184,065.76
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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.