Finding the Fourth Proportional to 235,075.76, 324,542.99 and 143,229.69
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Solution
The fourth proportional to 235,075.76, 324,542.99 and 143,229.69 is: 197,741.32
Step by Step Solution
- Step 1: Write the proportion equation
235,075.76 : 324,542.99 = 143,229.69 : x - Step 2: Convert to fraction form
235,075.76/324,542.99 = 143,229.69/x - Step 3: Cross multiply
235,075.76x = 324,542.99 × 143,229.69 - Step 4: Simplify right side
235,075.76x = 46,484,191,133.22 - Step 5: Solve for x
x = 46,484,191,133.22/235,075.76 - Step 6: Final answer
x = 197,741.32
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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.