Finding the Fourth Proportional to 189,449.21, 283,970.44 and 94,491.80
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Solution
The fourth proportional to 189,449.21, 283,970.44 and 94,491.80 is: 141,636.26
Step by Step Solution
- Step 1: Write the proportion equation
189,449.21 : 283,970.44 = 94,491.80 : x - Step 2: Convert to fraction form
189,449.21/283,970.44 = 94,491.80/x - Step 3: Cross multiply
189,449.21x = 283,970.44 × 94,491.80 - Step 4: Simplify right side
189,449.21x = 26,832,877,785.54 - Step 5: Solve for x
x = 26,832,877,785.54/189,449.21 - Step 6: Final answer
x = 141,636.26
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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.