Finding the Fourth Proportional to 274,507.31, 411,794.19 and 96,977.99
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Solution
The fourth proportional to 274,507.31, 411,794.19 and 96,977.99 is: 145,478.72
Step by Step Solution
- Step 1: Write the proportion equation
274,507.31 : 411,794.19 = 96,977.99 : x - Step 2: Convert to fraction form
274,507.31/411,794.19 = 96,977.99/x - Step 3: Cross multiply
274,507.31x = 411,794.19 × 96,977.99 - Step 4: Simplify right side
274,507.31x = 39,934,972,839.88 - Step 5: Solve for x
x = 39,934,972,839.88/274,507.31 - Step 6: Final answer
x = 145,478.72
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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.