Finding the Fourth Proportional to 536,161.28, 739,961.68 and 306,739.92
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Solution
The fourth proportional to 536,161.28, 739,961.68 and 306,739.92 is: 423,334.91
Step by Step Solution
- Step 1: Write the proportion equation
536,161.28 : 739,961.68 = 306,739.92 : x - Step 2: Convert to fraction form
536,161.28/739,961.68 = 306,739.92/x - Step 3: Cross multiply
536,161.28x = 739,961.68 × 306,739.92 - Step 4: Simplify right side
536,161.28x = 226,975,786,526.27 - Step 5: Solve for x
x = 226,975,786,526.27/536,161.28 - Step 6: Final answer
x = 423,334.91
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.