Finding the Fourth Proportional to 122,246.40, 183,369.60 and 121,468.80
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Solution
The fourth proportional to 122,246.40, 183,369.60 and 121,468.80 is: 182,203.20
Step by Step Solution
- Step 1: Write the proportion equation
122,246.40 : 183,369.60 = 121,468.80 : x - Step 2: Convert to fraction form
122,246.40/183,369.60 = 121,468.80/x - Step 3: Cross multiply
122,246.40x = 183,369.60 × 121,468.80 - Step 4: Simplify right side
122,246.40x = 22,273,685,268.48 - Step 5: Solve for x
x = 22,273,685,268.48/122,246.40 - Step 6: Final answer
x = 182,203.20
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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.