Finding the Fourth Proportional to 122,452.64, 183,503.71 and 69,753.23
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Solution
The fourth proportional to 122,452.64, 183,503.71 and 69,753.23 is: 104,530.02
Step by Step Solution
- Step 1: Write the proportion equation
122,452.64 : 183,503.71 = 69,753.23 : x - Step 2: Convert to fraction form
122,452.64/183,503.71 = 69,753.23/x - Step 3: Cross multiply
122,452.64x = 183,503.71 × 69,753.23 - Step 4: Simplify right side
122,452.64x = 12,799,976,489.48 - Step 5: Solve for x
x = 12,799,976,489.48/122,452.64 - Step 6: Final answer
x = 104,530.02
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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.