Finding the Fourth Proportional to 130,438.10, 195,744.83 and 46,197.96
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Solution
The fourth proportional to 130,438.10, 195,744.83 and 46,197.96 is: 69,327.99
Step by Step Solution
- Step 1: Write the proportion equation
130,438.10 : 195,744.83 = 46,197.96 : x - Step 2: Convert to fraction form
130,438.10/195,744.83 = 46,197.96/x - Step 3: Cross multiply
130,438.10x = 195,744.83 × 46,197.96 - Step 4: Simplify right side
130,438.10x = 9,043,011,826.55 - Step 5: Solve for x
x = 9,043,011,826.55/130,438.10 - Step 6: Final answer
x = 69,327.99
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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.