Finding the Fourth Proportional to 470,404.22, 649,163.36 and 255,547.67
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Solution
The fourth proportional to 470,404.22, 649,163.36 and 255,547.67 is: 352,658.79
Step by Step Solution
- Step 1: Write the proportion equation
470,404.22 : 649,163.36 = 255,547.67 : x - Step 2: Convert to fraction form
470,404.22/649,163.36 = 255,547.67/x - Step 3: Cross multiply
470,404.22x = 649,163.36 × 255,547.67 - Step 4: Simplify right side
470,404.22x = 165,892,184,442.54 - Step 5: Solve for x
x = 165,892,184,442.54/470,404.22 - Step 6: Final answer
x = 352,658.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.