Finding the Fourth Proportional to 189,113.80, 283,670.70 and 171,617.80
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Solution
The fourth proportional to 189,113.80, 283,670.70 and 171,617.80 is: 257,426.70
Step by Step Solution
- Step 1: Write the proportion equation
189,113.80 : 283,670.70 = 171,617.80 : x - Step 2: Convert to fraction form
189,113.80/283,670.70 = 171,617.80/x - Step 3: Cross multiply
189,113.80x = 283,670.70 × 171,617.80 - Step 4: Simplify right side
189,113.80x = 48,682,941,458.46 - Step 5: Solve for x
x = 48,682,941,458.46/189,113.80 - Step 6: Final answer
x = 257,426.70
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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.