Finding the Fourth Proportional to 122,394.36, 183,443.92 and 63,197.74
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Solution
The fourth proportional to 122,394.36, 183,443.92 and 63,197.74 is: 94,720.38
Step by Step Solution
- Step 1: Write the proportion equation
122,394.36 : 183,443.92 = 63,197.74 : x - Step 2: Convert to fraction form
122,394.36/183,443.92 = 63,197.74/x - Step 3: Cross multiply
122,394.36x = 183,443.92 × 63,197.74 - Step 4: Simplify right side
122,394.36x = 11,593,240,544.14 - Step 5: Solve for x
x = 11,593,240,544.14/122,394.36 - Step 6: Final answer
x = 94,720.38
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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.