Finding the Fourth Proportional to 103,459.14, 154,882.53 and 63,889.02
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Solution
The fourth proportional to 103,459.14, 154,882.53 and 63,889.02 is: 95,644.45
Step by Step Solution
- Step 1: Write the proportion equation
103,459.14 : 154,882.53 = 63,889.02 : x - Step 2: Convert to fraction form
103,459.14/154,882.53 = 63,889.02/x - Step 3: Cross multiply
103,459.14x = 154,882.53 × 63,889.02 - Step 4: Simplify right side
103,459.14x = 9,895,293,056.82 - Step 5: Solve for x
x = 9,895,293,056.82/103,459.14 - Step 6: Final answer
x = 95,644.45
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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.