Finding the Fourth Proportional to 207,187.24, 310,781.02 and 88,781.80
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Solution
The fourth proportional to 207,187.24, 310,781.02 and 88,781.80 is: 133,172.77
Step by Step Solution
- Step 1: Write the proportion equation
207,187.24 : 310,781.02 = 88,781.80 : x - Step 2: Convert to fraction form
207,187.24/310,781.02 = 88,781.80/x - Step 3: Cross multiply
207,187.24x = 310,781.02 × 88,781.80 - Step 4: Simplify right side
207,187.24x = 27,591,698,361.44 - Step 5: Solve for x
x = 27,591,698,361.44/207,187.24 - Step 6: Final answer
x = 133,172.77
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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.