Finding the Fourth Proportional to 420,546.12, 630,828.12 and 150,691.86
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Solution
The fourth proportional to 420,546.12, 630,828.12 and 150,691.86 is: 226,040.99
Step by Step Solution
- Step 1: Write the proportion equation
420,546.12 : 630,828.12 = 150,691.86 : x - Step 2: Convert to fraction form
420,546.12/630,828.12 = 150,691.86/x - Step 3: Cross multiply
420,546.12x = 630,828.12 × 150,691.86 - Step 4: Simplify right side
420,546.12x = 95,060,662,743.10 - Step 5: Solve for x
x = 95,060,662,743.10/420,546.12 - Step 6: Final answer
x = 226,040.99
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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.