Finding the Fourth Proportional to 470,733.96, 706,105.86 and 186,493.68
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Solution
The fourth proportional to 470,733.96, 706,105.86 and 186,493.68 is: 279,742.47
Step by Step Solution
- Step 1: Write the proportion equation
470,733.96 : 706,105.86 = 186,493.68 : x - Step 2: Convert to fraction form
470,733.96/706,105.86 = 186,493.68/x - Step 3: Cross multiply
470,733.96x = 706,105.86 × 186,493.68 - Step 4: Simplify right side
470,733.96x = 131,684,280,300.97 - Step 5: Solve for x
x = 131,684,280,300.97/470,733.96 - Step 6: Final answer
x = 279,742.47
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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.