Finding the Fourth Proportional to 438,844.70, 657,202.93 and 303,529.01
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Solution
The fourth proportional to 438,844.70, 657,202.93 and 303,529.01 is: 454,557.50
Step by Step Solution
- Step 1: Write the proportion equation
438,844.70 : 657,202.93 = 303,529.01 : x - Step 2: Convert to fraction form
438,844.70/657,202.93 = 303,529.01/x - Step 3: Cross multiply
438,844.70x = 657,202.93 × 303,529.01 - Step 4: Simplify right side
438,844.70x = 199,480,150,667.16 - Step 5: Solve for x
x = 199,480,150,667.16/438,844.70 - Step 6: Final answer
x = 454,557.50
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1.5x scale
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.