Finding the Fourth Proportional to 299,035.80, 412,670.70 and 178,237.80
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Solution
The fourth proportional to 299,035.80, 412,670.70 and 178,237.80 is: 245,968.94
Step by Step Solution
- Step 1: Write the proportion equation
299,035.80 : 412,670.70 = 178,237.80 : x - Step 2: Convert to fraction form
299,035.80/412,670.70 = 178,237.80/x - Step 3: Cross multiply
299,035.80x = 412,670.70 × 178,237.80 - Step 4: Simplify right side
299,035.80x = 73,553,517,692.46 - Step 5: Solve for x
x = 73,553,517,692.46/299,035.80 - Step 6: Final answer
x = 245,968.94
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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.