Finding the Fourth Proportional to 534,653.78, 737,793.99 and 305,201.94
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Solution
The fourth proportional to 534,653.78, 737,793.99 and 305,201.94 is: 421,162.56
Step by Step Solution
- Step 1: Write the proportion equation
534,653.78 : 737,793.99 = 305,201.94 : x - Step 2: Convert to fraction form
534,653.78/737,793.99 = 305,201.94/x - Step 3: Cross multiply
534,653.78x = 737,793.99 × 305,201.94 - Step 4: Simplify right side
534,653.78x = 225,176,157,068.34 - Step 5: Solve for x
x = 225,176,157,068.34/534,653.78 - Step 6: Final answer
x = 421,162.56
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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.