Finding the Fourth Proportional to 440,631.88, 608,075.84 and 239,427.88
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Solution
The fourth proportional to 440,631.88, 608,075.84 and 239,427.88 is: 330,412.56
Step by Step Solution
- Step 1: Write the proportion equation
440,631.88 : 608,075.84 = 239,427.88 : x - Step 2: Convert to fraction form
440,631.88/608,075.84 = 239,427.88/x - Step 3: Cross multiply
440,631.88x = 608,075.84 × 239,427.88 - Step 4: Simplify right side
440,631.88x = 145,590,309,250.42 - Step 5: Solve for x
x = 145,590,309,250.42/440,631.88 - Step 6: Final answer
x = 330,412.56
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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.