Finding the Fourth Proportional to 274,484.09, 411,765.48 and 84,961.10
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Solution
The fourth proportional to 274,484.09, 411,765.48 and 84,961.10 is: 127,453.83
Step by Step Solution
- Step 1: Write the proportion equation
274,484.09 : 411,765.48 = 84,961.10 : x - Step 2: Convert to fraction form
274,484.09/411,765.48 = 84,961.10/x - Step 3: Cross multiply
274,484.09x = 411,765.48 × 84,961.10 - Step 4: Simplify right side
274,484.09x = 34,984,049,152.24 - Step 5: Solve for x
x = 34,984,049,152.24/274,484.09 - Step 6: Final answer
x = 127,453.83
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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.