Finding the Fourth Proportional to 99,351.80, 149,027.70 and 97,711.55
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Solution
The fourth proportional to 99,351.80, 149,027.70 and 97,711.55 is: 146,567.33
Step by Step Solution
- Step 1: Write the proportion equation
99,351.80 : 149,027.70 = 97,711.55 : x - Step 2: Convert to fraction form
99,351.80/149,027.70 = 97,711.55/x - Step 3: Cross multiply
99,351.80x = 149,027.70 × 97,711.55 - Step 4: Simplify right side
99,351.80x = 14,561,727,559.94 - Step 5: Solve for x
x = 14,561,727,559.94/99,351.80 - Step 6: Final answer
x = 146,567.33
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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.