Finding the Fourth Proportional to 470,125.54, 648,755.04 and 255,260.68
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Solution
The fourth proportional to 470,125.54, 648,755.04 and 255,260.68 is: 352,249.85
Step by Step Solution
- Step 1: Write the proportion equation
470,125.54 : 648,755.04 = 255,260.68 : x - Step 2: Convert to fraction form
470,125.54/648,755.04 = 255,260.68/x - Step 3: Cross multiply
470,125.54x = 648,755.04 × 255,260.68 - Step 4: Simplify right side
470,125.54x = 165,601,649,420.05 - Step 5: Solve for x
x = 165,601,649,420.05/470,125.54 - Step 6: Final answer
x = 352,249.85
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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.