Finding the Fourth Proportional to 194,829.84, 292,139.46 and 68,437.44
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Solution
The fourth proportional to 194,829.84, 292,139.46 and 68,437.44 is: 102,619.17
Step by Step Solution
- Step 1: Write the proportion equation
194,829.84 : 292,139.46 = 68,437.44 : x - Step 2: Convert to fraction form
194,829.84/292,139.46 = 68,437.44/x - Step 3: Cross multiply
194,829.84x = 292,139.46 × 68,437.44 - Step 4: Simplify right side
194,829.84x = 19,993,276,765.38 - Step 5: Solve for x
x = 19,993,276,765.38/194,829.84 - Step 6: Final answer
x = 102,619.17
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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.