Finding the Fourth Proportional to 385,431.08, 577,814.36 and 148,939.70
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Solution
The fourth proportional to 385,431.08, 577,814.36 and 148,939.70 is: 223,281.16
Step by Step Solution
- Step 1: Write the proportion equation
385,431.08 : 577,814.36 = 148,939.70 : x - Step 2: Convert to fraction form
385,431.08/577,814.36 = 148,939.70/x - Step 3: Cross multiply
385,431.08x = 577,814.36 × 148,939.70 - Step 4: Simplify right side
385,431.08x = 86,059,497,434.09 - Step 5: Solve for x
x = 86,059,497,434.09/385,431.08 - Step 6: Final answer
x = 223,281.16
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.