Finding the Fourth Proportional to 260,685.74, 359,662.68 and 145,947.49
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Solution
The fourth proportional to 260,685.74, 359,662.68 and 145,947.49 is: 201,360.70
Step by Step Solution
- Step 1: Write the proportion equation
260,685.74 : 359,662.68 = 145,947.49 : x - Step 2: Convert to fraction form
260,685.74/359,662.68 = 145,947.49/x - Step 3: Cross multiply
260,685.74x = 359,662.68 × 145,947.49 - Step 4: Simplify right side
260,685.74x = 52,491,864,493.52 - Step 5: Solve for x
x = 52,491,864,493.52/260,685.74 - Step 6: Final answer
x = 201,360.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.