Finding the Fourth Proportional to 104,743.70, 157,443.60 and 102,775.40
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Solution
The fourth proportional to 104,743.70, 157,443.60 and 102,775.40 is: 154,484.99
Step by Step Solution
- Step 1: Write the proportion equation
104,743.70 : 157,443.60 = 102,775.40 : x - Step 2: Convert to fraction form
104,743.70/157,443.60 = 102,775.40/x - Step 3: Cross multiply
104,743.70x = 157,443.60 × 102,775.40 - Step 4: Simplify right side
104,743.70x = 16,181,328,967.44 - Step 5: Solve for x
x = 16,181,328,967.44/104,743.70 - Step 6: Final answer
x = 154,484.99
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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.