Finding the Fourth Proportional to 122,643.09, 183,991.19 and 37,246.95
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Solution
The fourth proportional to 122,643.09, 183,991.19 and 37,246.95 is: 55,878.49
Step by Step Solution
- Step 1: Write the proportion equation
122,643.09 : 183,991.19 = 37,246.95 : x - Step 2: Convert to fraction form
122,643.09/183,991.19 = 37,246.95/x - Step 3: Cross multiply
122,643.09x = 183,991.19 × 37,246.95 - Step 4: Simplify right side
122,643.09x = 6,853,110,468.14 - Step 5: Solve for x
x = 6,853,110,468.14/122,643.09 - Step 6: Final answer
x = 55,878.49
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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.