Finding the Fourth Proportional to 207,623.40, 310,997.70 and 207,623.40
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Solution
The fourth proportional to 207,623.40, 310,997.70 and 207,623.40 is: 310,997.70
Step by Step Solution
- Step 1: Write the proportion equation
207,623.40 : 310,997.70 = 207,623.40 : x - Step 2: Convert to fraction form
207,623.40/310,997.70 = 207,623.40/x - Step 3: Cross multiply
207,623.40x = 310,997.70 × 207,623.40 - Step 4: Simplify right side
207,623.40x = 64,570,399,866.18 - Step 5: Solve for x
x = 64,570,399,866.18/207,623.40 - Step 6: Final answer
x = 310,997.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.