Finding the Fourth Proportional to 419,934.24, 630,163.80 and 170,616.24
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Solution
The fourth proportional to 419,934.24, 630,163.80 and 170,616.24 is: 256,030.99
Step by Step Solution
- Step 1: Write the proportion equation
419,934.24 : 630,163.80 = 170,616.24 : x - Step 2: Convert to fraction form
419,934.24/630,163.80 = 170,616.24/x - Step 3: Cross multiply
419,934.24x = 630,163.80 × 170,616.24 - Step 4: Simplify right side
419,934.24x = 107,516,178,140.11 - Step 5: Solve for x
x = 107,516,178,140.11/419,934.24 - Step 6: Final answer
x = 256,030.99
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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.