Finding the Fourth Proportional to 189,434.68, 283,959.74 and 161,783.13
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Solution
The fourth proportional to 189,434.68, 283,959.74 and 161,783.13 is: 242,510.48
Step by Step Solution
- Step 1: Write the proportion equation
189,434.68 : 283,959.74 = 161,783.13 : x - Step 2: Convert to fraction form
189,434.68/283,959.74 = 161,783.13/x - Step 3: Cross multiply
189,434.68x = 283,959.74 × 161,783.13 - Step 4: Simplify right side
189,434.68x = 45,939,895,432.17 - Step 5: Solve for x
x = 45,939,895,432.17/189,434.68 - Step 6: Final answer
x = 242,510.48
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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.