Finding the Fourth Proportional to 207,233.80, 310,850.70 and 140,705.80
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Solution
The fourth proportional to 207,233.80, 310,850.70 and 140,705.80 is: 211,058.70
Step by Step Solution
- Step 1: Write the proportion equation
207,233.80 : 310,850.70 = 140,705.80 : x - Step 2: Convert to fraction form
207,233.80/310,850.70 = 140,705.80/x - Step 3: Cross multiply
207,233.80x = 310,850.70 × 140,705.80 - Step 4: Simplify right side
207,233.80x = 43,738,496,424.06 - Step 5: Solve for x
x = 43,738,496,424.06/207,233.80 - Step 6: Final answer
x = 211,058.70
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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.