Finding the Fourth Proportional to 470,734.96, 706,107.36 and 186,494.68
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Solution
The fourth proportional to 470,734.96, 706,107.36 and 186,494.68 is: 279,743.97
Step by Step Solution
- Step 1: Write the proportion equation
470,734.96 : 706,107.36 = 186,494.68 : x - Step 2: Convert to fraction form
470,734.96/706,107.36 = 186,494.68/x - Step 3: Cross multiply
470,734.96x = 706,107.36 × 186,494.68 - Step 4: Simplify right side
470,734.96x = 131,685,266,148.85 - Step 5: Solve for x
x = 131,685,266,148.85/470,734.96 - Step 6: Final answer
x = 279,743.97
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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.