Finding the Fourth Proportional to 470,190.40, 648,864.08 and 255,334.08
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Solution
The fourth proportional to 470,190.40, 648,864.08 and 255,334.08 is: 352,361.75
Step by Step Solution
- Step 1: Write the proportion equation
470,190.40 : 648,864.08 = 255,334.08 : x - Step 2: Convert to fraction form
470,190.40/648,864.08 = 255,334.08/x - Step 3: Cross multiply
470,190.40x = 648,864.08 × 255,334.08 - Step 4: Simplify right side
470,190.40x = 165,677,112,911.85 - Step 5: Solve for x
x = 165,677,112,911.85/470,190.40 - Step 6: Final answer
x = 352,361.75
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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.