Finding the Fourth Proportional to 385,305.18, 577,996.65 and 145,358.88
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Solution
The fourth proportional to 385,305.18, 577,996.65 and 145,358.88 is: 218,052.99
Step by Step Solution
- Step 1: Write the proportion equation
385,305.18 : 577,996.65 = 145,358.88 : x - Step 2: Convert to fraction form
385,305.18/577,996.65 = 145,358.88/x - Step 3: Cross multiply
385,305.18x = 577,996.65 × 145,358.88 - Step 4: Simplify right side
385,305.18x = 84,016,945,687.75 - Step 5: Solve for x
x = 84,016,945,687.75/385,305.18 - Step 6: Final answer
x = 218,052.99
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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.