Finding the Fourth Proportional to 207,130.38, 310,713.36 and 88,773.60
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Solution
The fourth proportional to 207,130.38, 310,713.36 and 88,773.60 is: 133,168.02
Step by Step Solution
- Step 1: Write the proportion equation
207,130.38 : 310,713.36 = 88,773.60 : x - Step 2: Convert to fraction form
207,130.38/310,713.36 = 88,773.60/x - Step 3: Cross multiply
207,130.38x = 310,713.36 × 88,773.60 - Step 4: Simplify right side
207,130.38x = 27,583,143,535.30 - Step 5: Solve for x
x = 27,583,143,535.30/207,130.38 - Step 6: Final answer
x = 133,168.02
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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.