Finding the Fourth Proportional to 122,247.30, 183,370.95 and 102,564.30
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Solution
The fourth proportional to 122,247.30, 183,370.95 and 102,564.30 is: 153,846.45
Step by Step Solution
- Step 1: Write the proportion equation
122,247.30 : 183,370.95 = 102,564.30 : x - Step 2: Convert to fraction form
122,247.30/183,370.95 = 102,564.30/x - Step 3: Cross multiply
122,247.30x = 183,370.95 × 102,564.30 - Step 4: Simplify right side
122,247.30x = 18,807,313,127.09 - Step 5: Solve for x
x = 18,807,313,127.09/122,247.30 - Step 6: Final answer
x = 153,846.45
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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.