Finding the Fourth Proportional to 122,370.68, 183,690.14 and 97,231.80
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Solution
The fourth proportional to 122,370.68, 183,690.14 and 97,231.80 is: 145,954.27
Step by Step Solution
- Step 1: Write the proportion equation
122,370.68 : 183,690.14 = 97,231.80 : x - Step 2: Convert to fraction form
122,370.68/183,690.14 = 97,231.80/x - Step 3: Cross multiply
122,370.68x = 183,690.14 × 97,231.80 - Step 4: Simplify right side
122,370.68x = 17,860,522,468.29 - Step 5: Solve for x
x = 17,860,522,468.29/122,370.68 - Step 6: Final answer
x = 145,954.27
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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.