Finding the Fourth Proportional to 324,307.02, 486,486.45 and 113,992.14
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Solution
The fourth proportional to 324,307.02, 486,486.45 and 113,992.14 is: 170,997.32
Step by Step Solution
- Step 1: Write the proportion equation
324,307.02 : 486,486.45 = 113,992.14 : x - Step 2: Convert to fraction form
324,307.02/486,486.45 = 113,992.14/x - Step 3: Cross multiply
324,307.02x = 486,486.45 × 113,992.14 - Step 4: Simplify right side
324,307.02x = 55,455,631,516.50 - Step 5: Solve for x
x = 55,455,631,516.50/324,307.02 - Step 6: Final answer
x = 170,997.32
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Double scale
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Similar ratio
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1.5x scale
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.