Finding the Fourth Proportional to 438,529.58, 605,169.63 and 237,325.58
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Solution
The fourth proportional to 438,529.58, 605,169.63 and 237,325.58 is: 327,508.66
Step by Step Solution
- Step 1: Write the proportion equation
438,529.58 : 605,169.63 = 237,325.58 : x - Step 2: Convert to fraction form
438,529.58/605,169.63 = 237,325.58/x - Step 3: Cross multiply
438,529.58x = 605,169.63 × 237,325.58 - Step 4: Simplify right side
438,529.58x = 143,622,233,438.14 - Step 5: Solve for x
x = 143,622,233,438.14/438,529.58 - Step 6: Final answer
x = 327,508.66
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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.