Finding the Fourth Proportional to 122,492.36, 183,567.36 and 66,211.10
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Solution
The fourth proportional to 122,492.36, 183,567.36 and 66,211.10 is: 99,224.12
Step by Step Solution
- Step 1: Write the proportion equation
122,492.36 : 183,567.36 = 66,211.10 : x - Step 2: Convert to fraction form
122,492.36/183,567.36 = 66,211.10/x - Step 3: Cross multiply
122,492.36x = 183,567.36 × 66,211.10 - Step 4: Simplify right side
122,492.36x = 12,154,196,829.70 - Step 5: Solve for x
x = 12,154,196,829.70/122,492.36 - Step 6: Final answer
x = 99,224.12
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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.