Finding the Fourth Proportional to 397,201.66, 595,614.78 and 144,305.80
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Solution
The fourth proportional to 397,201.66, 595,614.78 and 144,305.80 is: 216,390.50
Step by Step Solution
- Step 1: Write the proportion equation
397,201.66 : 595,614.78 = 144,305.80 : x - Step 2: Convert to fraction form
397,201.66/595,614.78 = 144,305.80/x - Step 3: Cross multiply
397,201.66x = 595,614.78 × 144,305.80 - Step 4: Simplify right side
397,201.66x = 85,950,667,319.72 - Step 5: Solve for x
x = 85,950,667,319.72/397,201.66 - Step 6: Final answer
x = 216,390.50
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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.