Finding the Fourth Proportional to 178,692.60, 246,240.36 and 127,561.08
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Solution
The fourth proportional to 178,692.60, 246,240.36 and 127,561.08 is: 175,780.57
Step by Step Solution
- Step 1: Write the proportion equation
178,692.60 : 246,240.36 = 127,561.08 : x - Step 2: Convert to fraction form
178,692.60/246,240.36 = 127,561.08/x - Step 3: Cross multiply
178,692.60x = 246,240.36 × 127,561.08 - Step 4: Simplify right side
178,692.60x = 31,410,686,261.19 - Step 5: Solve for x
x = 31,410,686,261.19/178,692.60 - Step 6: Final answer
x = 175,780.57
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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.