Finding the Fourth Proportional to 297,645.84, 410,758.67 and 161,679.75
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Solution
The fourth proportional to 297,645.84, 410,758.67 and 161,679.75 is: 223,122.08
Step by Step Solution
- Step 1: Write the proportion equation
297,645.84 : 410,758.67 = 161,679.75 : x - Step 2: Convert to fraction form
297,645.84/410,758.67 = 161,679.75/x - Step 3: Cross multiply
297,645.84x = 410,758.67 × 161,679.75 - Step 4: Simplify right side
297,645.84x = 66,411,359,075.93 - Step 5: Solve for x
x = 66,411,359,075.93/297,645.84 - Step 6: Final answer
x = 223,122.08
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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.