Finding the Fourth Proportional to 324,075.40, 486,113.10 and 166,319.80
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Solution
The fourth proportional to 324,075.40, 486,113.10 and 166,319.80 is: 249,479.70
Step by Step Solution
- Step 1: Write the proportion equation
324,075.40 : 486,113.10 = 166,319.80 : x - Step 2: Convert to fraction form
324,075.40/486,113.10 = 166,319.80/x - Step 3: Cross multiply
324,075.40x = 486,113.10 × 166,319.80 - Step 4: Simplify right side
324,075.40x = 80,850,233,569.38 - Step 5: Solve for x
x = 80,850,233,569.38/324,075.40 - Step 6: Final answer
x = 249,479.70
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Similar ratio
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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.