Finding the Fourth Proportional to 317,923.26, 438,734.34 and 174,692.58
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Solution
The fourth proportional to 317,923.26, 438,734.34 and 174,692.58 is: 241,075.89
Step by Step Solution
- Step 1: Write the proportion equation
317,923.26 : 438,734.34 = 174,692.58 : x - Step 2: Convert to fraction form
317,923.26/438,734.34 = 174,692.58/x - Step 3: Cross multiply
317,923.26x = 438,734.34 × 174,692.58 - Step 4: Simplify right side
317,923.26x = 76,643,633,789.20 - Step 5: Solve for x
x = 76,643,633,789.20/317,923.26 - Step 6: Final answer
x = 241,075.89
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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.