Finding the Fourth Proportional to 438,529.08, 605,168.94 and 237,325.08
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Solution
The fourth proportional to 438,529.08, 605,168.94 and 237,325.08 is: 327,507.97
Step by Step Solution
- Step 1: Write the proportion equation
438,529.08 : 605,168.94 = 237,325.08 : x - Step 2: Convert to fraction form
438,529.08/605,168.94 = 237,325.08/x - Step 3: Cross multiply
438,529.08x = 605,168.94 × 237,325.08 - Step 4: Simplify right side
438,529.08x = 143,621,767,099.02 - Step 5: Solve for x
x = 143,621,767,099.02/438,529.08 - Step 6: Final answer
x = 327,507.97
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1.5x scale
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.