Finding the Fourth Proportional to 630,163.80, 945,240.84 and 156,845.97
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Solution
The fourth proportional to 630,163.80, 945,240.84 and 156,845.97 is: 235,267.75
Step by Step Solution
- Step 1: Write the proportion equation
630,163.80 : 945,240.84 = 156,845.97 : x - Step 2: Convert to fraction form
630,163.80/945,240.84 = 156,845.97/x - Step 3: Cross multiply
630,163.80x = 945,240.84 × 156,845.97 - Step 4: Simplify right side
630,163.80x = 148,257,216,433.42 - Step 5: Solve for x
x = 148,257,216,433.42/630,163.80 - Step 6: Final answer
x = 235,267.75
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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.