Finding the Fourth Proportional to 483,122.98, 724,629.07 and 128,164.68
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Solution
The fourth proportional to 483,122.98, 724,629.07 and 128,164.68 is: 192,232.32
Step by Step Solution
- Step 1: Write the proportion equation
483,122.98 : 724,629.07 = 128,164.68 : x - Step 2: Convert to fraction form
483,122.98/724,629.07 = 128,164.68/x - Step 3: Cross multiply
483,122.98x = 724,629.07 × 128,164.68 - Step 4: Simplify right side
483,122.98x = 92,871,853,035.45 - Step 5: Solve for x
x = 92,871,853,035.45/483,122.98 - Step 6: Final answer
x = 192,232.32
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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.