Finding the Fourth Proportional to 189,283.41, 283,964.30 and 76,963.64
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Solution
The fourth proportional to 189,283.41, 283,964.30 and 76,963.64 is: 115,461.39
Step by Step Solution
- Step 1: Write the proportion equation
189,283.41 : 283,964.30 = 76,963.64 : x - Step 2: Convert to fraction form
189,283.41/283,964.30 = 76,963.64/x - Step 3: Cross multiply
189,283.41x = 283,964.30 × 76,963.64 - Step 4: Simplify right side
189,283.41x = 21,854,926,158.05 - Step 5: Solve for x
x = 21,854,926,158.05/189,283.41 - Step 6: Final answer
x = 115,461.39
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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.